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Patients’ Satisfaction: Nursing Care at Selected Tertiary Level Hospitals in Dhaka
Md Harun Ur Rashid Gazi
Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka, Bangladesh.
Md Jashim Uddin Mazumder
Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka, Bangladesh.
Anwar Parvez
Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka, Bangladesh.
Hasina Akter
Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka, Bangladesh.
Bithika Mali
Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka, Bangladesh.
Keywords: Patient satisfaction, Patient dissatisfaction, Nursing care, Quality of nursing care.
DOI: 10.3329/bmrcb.v47i3.59246
Abstract
Background: Patient satisfaction with nursing care is an important goal of any healthcare organisation. If the nursing care is not of high quality, the hospital will fail in its responsibility of providing patient care. High quality nursing care is not ensured when the patient feels dissatisfied.
Objective: This study examined the level of patient’s satisfaction regarding nursing care at four selected tertiary level hospitals in Dhaka city.
Methods: This descriptive, cross-sectional study was conducted during September-October, 2019, through face-to-face interview using structured questionnaires. A total of 384 admitted patients from different wards were recruited conveniently. Patient’s satisfaction was measured using Patient Satisfaction with Quality Nursing Care Questionnaire (PSQNCQ-17) and Socio-demographic Questionnaire (SDQ-12).
Results: The mean score of patient satisfaction regarding nursing care was at 2.78 (SD=.68) out of maximum of 4 points which indicated moderate level of satisfaction. Findings also showed that place of study (p = .006), duration of stay in hospital (p = .02) and category of bed (p = .04) were significantly positively correlated with patient satisfaction regarding nursing care. Logistic regression analysis reveals that study places were significant (OR = .576, p = .02) among other independent variables in predicting the likelihood of patient satisfaction with nursing care.
Conclusion: Patients showed a moderate level of satisfaction regarding nursing care. However, place of study, duration of stay in hospital and category of bed were identified as factors influencing patients’ satisfaction regarding nursing care. These findings suggest that hospital policy along with in-service education and training are needed to enhance nurses’ competencies to improve the patient satisfaction regarding nursing care.
Keywords: Patient satisfaction, Patient dissatisfaction, Nursing care, Quality of nursing care.
Introduction
Patients’ satisfaction has been considered to be the most important measurement for overall satisfaction with hospital care and an important goal of any healthcare organisation.1 Patient satisfaction is the critical determinant for the assessment and management of high-quality nursing care.2 According to Donabedian, patient satisfaction is an expression of patient’s judgment on the quality of care in all its aspects, but particularly as concerns the interpersonal process. 3 The most influential factors of patients’
satisfaction with hospital care is especially associated with their satisfaction with nursing care; because nurses provide care for patients 24 hours a day.4 Previous study reported that satisfaction influences whether a person seeks medical advice, complies with treatment and maintains a continuing relationship with nursing care providers.5-6 Nursing care is an important aspect of healthcare services.7-9 High quality nursing care is not ensured when the patient feels dissatisfied. Patient satisfaction increases in an organisation where more personalised nursing care is given.10 Studies have shown that satisfaction with nursing care is the best indicator of patients’ satisfaction with healthcare facilities. Patient satisfaction is mainly determined by provider’s attitude and caring rather than technical skills.
However, nursing care is the significant components in the health care and it can reduce re-hospitalisation, improve quality of life and provide patient satisfaction. Yeakel et al found that helping the patients in monitoring personal hygiene, helping in nutrition, environmental sanitation, examination, maintaining body temperature, providing safety and comfort, helping in respiration, rest, sleep and exercise, and providing health education greatly increase the patient’s satisfaction. If the nursing care is not of high quality, the hospital will fail in its responsibility of providing care.12 Quality assessment can be used to analyse the outcomes of interpersonal interactions between the nurses and the patient throughout the care process.14-16 The level of inpatient satisfaction with nursing care was low. Study conducted by Dzomeku et al showed that hospitalised patients were less informed about their disease condition, treatment, and prognosis by nurses.4 Researchers have showed that the satisfied patients had better compliance with the treatment and nursing care plans.17
Patient’s satisfaction is one of the two main components of quality of care which includes respect for the patient and understanding the basic needs of the patients and providing nursing care accordingly. Previous study pointed out that most of the patients made complaints and expressed their dissatisfactions with respect to hospital healthcare deliveries, particularly nursing care services.18 Prior study showed that the aspects with which patients were least satisfied were the amount and type of information they received regarding their condition and treatment and also the amount nurses knew about patients’ care. 19 Various dimensions of patient satisfaction have been identified ranging from admission to discharge services as well as from medical care to interpersonal communication. These include responsiveness, communication, attitude, clinical skill, amenities, and food service.20-21 Respect, safety and understandable instructions are common factors associated with patient satisfaction towards nursing care.22
The findings of this study would contribute to develop in-service education and training based on dimensions of nursing care for nurses to improve the patient satisfaction. Based on above discussion it is concluded that measurement of patient’s satisfaction is an important tool to assess the quality of nursing care. It is necessary to increase the quality of nursing care with regards to ensure patient’s satisfaction. However, there was a dearth of study conducted that shows the level of patient satisfaction with nursing care in the hospital. Therefore, this study was aimed to examine the level of patients’ satisfaction and to identify the associated factors towards nursing care at four selected tertiary care hospitals in Dhaka city.
Materials and Methods
A descriptive cross-sectional study was conducted during September to October 2019. The participants were 384 hospitalised patients recruited from four selected tertiary level hospitals in Dhaka city in Bangladesh. The selected hospitals were Bangabandhu Sheikh Mujib Medical University Hospital (BSMMUH), Dhaka Medical College Hospital (DMCH), Sir Salimullha Medical College Hospital (SSMCH), and Shaheed Suhrawardy Medical College Hospital (SSMCH). All patients admitted at general medicine and surgery wards were selected conveniently. The patients who were admitted for at least two weeks, who had ability to speak, read, write and understand Bangla language and who were conscious were included into the study. The subjects who were seriously ill or unconscious were excluded from the study. A total of 980 medical-surgical beds were allocated in those hospitals. However, 96 admitted patients were selected as participants for this study. The sample size was calculated by using the following formula: $$n = \frac{z^2(p\times q)}{d^2}$$ where, n= desired sample size, z= standard normal deviate set at 1.96, p= estimated to be at 50% level 50%=0.5, q= 1-p, d= degree of accuracy set at 5%=0.05. The calculated sample size was 384.
The patients’ satisfaction was measured using a 17 item previously validated Patients Satisfaction with Nursing Care Quality Questionnaire (PSNCQQ) developed by Laschinger et al. The subjects were asked to rate their opinion with 4-point Likert scale ranging from 4 = highly satisfied, to 1 = dissatisfied. Respondents were received a total of between 17 to 68 points, which was then be converted into a percentage. The higher scores indicated the higher level of satisfaction. The Chronbach’s alpha reliability of patients’ satisfaction regarding nursing care questionnaire was yielded at 94.4 in previous study. Internal consistency and reliability of this questionnaire was yielded at the Chronbach’s alpha value of 96.6 in current study. Patients’ characteristics were assessed using an 11 items patients’ Socio- Demographic Questionnaire (SDQ).
Prior to data collection, the study was approved by the BSMMU Institutional Review Board in Dhaka with financial support. With the IRB approval, the researcher asked for permission from the concern authorities of the respective hospitals. Researcher communicated with Director, Nursing Superintendents and In Charge Nurses on the selected wards of the targeted hospitals to interview the patients. Then researcher briefly introduced about the purpose of the study to the patients. The interested participants were invited to take part in the face-to-face interview. Participants were needed approximately 30 minutes to complete the questionnaire. All hospitalised patients were invited to participate in the interview. Ninety six patients from each of the hospital were finally agreed to participate. A total of 384 respondents completed the interview. Their participation was completely voluntary and anonymity was guaranteed. Patients could be stopped or withdrawn their participation from the study at any time without showing any reason. All collected data from the subjects were kept confidential.
The data were analysed using SPSS version 21.0. Descriptive statistics were used to summarize patients’ satisfaction and characteristics. Chai square test was used to compare the association between socio-demographic characteristics and satisfaction. Logistic regression analysis was performed to determine the factors influencing patient’s satisfaction. Significant bivariate correlates of the dependent variable were entered as potential factors in the regression model. Enter method was used to fit the model. A value of p = 0.05 was considered statistically significant.
Results
The mean age of the participants was 37.70 (SD = 12.43) ranging from 16 to 65 years old and most of them (52.3%) were in the age group of less than 37 years. Above half (52.3%) of the patients were male and majority (89.6%) of them were Muslims. More than half (55.5%) of the participants were residing in village whereas above quarter (27.1%) of them were living in an urban area. Considering education, above half of the patients (55.4%) had primary to SSC. However, few participants (14.8%) had no education. Regarding occupation, nearly one third (31.3%) of the participants were housewife, and 16.0% of them had others occupation. The mean monthly family income of the participants was 17200.52 (SD=8587.06) taka. Data were collected from the patients admitted in medicine unit (27.6%), surgery unit (26.3%), neuro-medicine unit (24.7%) and orthopedic unit (21.4%). Majority of the patients (67.7%) were admitted in non-paying bed and most of them (74.0%) had no history of previous admission. The mean duration of stay in hospital was 8.67 (SD=5.94) ranging from 1 to 30 days. Most of the patients’ (64.8%) length of stay in hospital was less than 8 days (table I).
Variables |
Category |
N |
% |
x±SD |
---|---|---|---|---|
Age in Years |
< 37 |
201 |
52.3 |
37.70±12.43 |
|
>37 |
183 |
47.7 |
|
Sex |
Male |
200 |
52.1 |
|
|
Female |
184 |
47.9 |
|
Religion |
Muslim |
344 |
89.6 |
|
|
Hindu |
36 |
9.4 |
|
|
Christian |
04 |
1.0 |
|
Residence |
Village |
213 |
55.5 |
|
|
Suburban |
67 |
17.4 |
|
|
Urban |
104 |
27.1 |
|
Education |
Illiterate |
57 |
14.8 |
|
|
Primary |
122 |
31.8 |
|
|
SSC |
90 |
23.4 |
|
|
HSC |
70 |
18.2 |
|
|
Bachelor degree |
36 |
9.4 |
|
|
Master and above |
09 |
2.3 |
|
Occupation |
Service |
87 |
22.7 |
|
|
Business |
44 |
11.5 |
|
|
Housewife |
120 |
31.3 |
|
|
Cultivator |
49 |
12.8 |
|
|
Day labor |
20 |
5.2 |
|
|
Others |
64 |
16.7 |
|
Monthly family income |
< 10000 |
137 |
35.7 |
17200.52±8587.06 |
|
10000 - 30000 |
224 |
58.3 |
|
|
> 30000 |
23 |
6.0 |
|
Place of study |
BSMMU |
96 |
25.0 |
|
|
DMCH |
96 |
25.0 |
|
|
SSMCH |
96 |
25.0 |
|
|
SHMCH |
96 |
25.0 |
|
Ward types |
Medicine |
106 |
27.6 |
|
|
Surgery |
101 |
26.3 |
|
|
Orthopedic |
82 |
21.4 |
|
|
Neuro-medicine |
95 |
24.7 |
|
Bed category |
Paying |
124 |
32.3 |
|
|
Non-Paying |
260 |
67.7 |
|
Previous admission |
No |
284 |
74.0 |
|
Duration of stay in Hosp. |
< 8 days |
249 |
64.8 |
8.67±5.94 |
|
> 8 days |
135 |
35.2 |
|
The mean score of patient satisfaction regarding nursing care was 2.74 (SD =.68) out of maximum of 4 points indicating moderate level. Based on item analysis, most of the patients (84.4%) were satisfied and stated that nurses were courteous and treated patient with dignity and respect. About 79.4% of the patients were satisfied with the waiting time to meet with a nurse. Approximately 85.8% patients reported that nurses were willingness to give answer of the patient’s questions. Majority of the participants (83.6%) became satisfied with the nurses’ behavior and majority of them (88.8%) were unsatisfied about nurses’ use of computer for report and treatment (table II).
Items |
Dissatisfied |
Neutral |
Satisfied |
Highly Satisfied |
x̄±SD |
||||
---|---|---|---|---|---|---|---|---|---|
n |
% |
n |
% |
n |
% |
n |
% |
||
Nurses are courteous and treated patient with dignity and respect. |
33 |
8.6 |
27 |
7.0 |
218 |
56.8 |
106 |
27.6 |
3.03±.83 |
The wait time to meet a nurse. |
33 |
8.6 |
46 |
12.0 |
206 |
53.6 |
99 |
25.8 |
2.97±.85 |
Willingness of nurses to give answer of patient’s questions. |
32 |
8.3 |
42 |
10.9 |
226 |
58.9 |
84 |
26.9 |
2.94±.81 |
Nurses behaviors with the patient |
35 |
9.1 |
28 |
7.3 |
235 |
61.2 |
86 |
22.4 |
2.97±.81 |
Maintain privacy of the patient |
39 |
10.2 |
39 |
10.2 |
215 |
56.0 |
91 |
23.7 |
2.93±.86 |
Explanations about tests, treatments of the patient. |
33 |
8.6 |
78 |
20.3 |
195 |
50.8 |
78 |
20.3 |
2.83±.85 |
Time allowed for helping in care of patient. |
43 |
16.2 |
84 |
21.9 |
173 |
45.1 |
84 |
21.9 |
2.78±.83 |
Give importance on patient’s thinking and choice. |
42 |
10.9 |
50 |
13.0 |
206 |
53.6 |
86 |
22.4 |
2.88±.88 |
Ability of nurses to make comfortable of the patient |
48 |
12.5 |
81 |
21.1 |
172 |
44.8 |
83 |
26.6 |
2.76±.93 |
Giving medicine and handling inter Venus procedure. |
49 |
12.8 |
67 |
17.4 |
189 |
49.2 |
79 |
20.6 |
2.78±.91 |
Teamwork between nurses and other hospital staffs |
46 |
12.0 |
38 |
9.9 |
216 |
56.3 |
84 |
21.9 |
2.88±.88 |
Hospital environment by the nurse |
54 |
14.1 |
85 |
22.1 |
173 |
45.1 |
72 |
18.8 |
2.68±.93 |
Advice during discharge or transfer from hospital or another department. |
46 |
12.0 |
81 |
21.1 |
180 |
46.9 |
77 |
20.1 |
2.75±.91 |
Overall quality of nursing care. |
43 |
11.2 |
96 |
25.0 |
177 |
46.1 |
68 |
17.7 |
2.70±.88 |
nurses uses computer for report and treatment |
36 |
9.4 |
305 |
79.4 |
29 |
7.6 |
14 |
3.6 |
2.05±.55 |
Nurses are skilled in communication technology |
43 |
11.2 |
163 |
42.4 |
144 |
37.5 |
34 |
8.9 |
2.44±.80 |
Patient recommended this hospital for his family and friend on the base of nursing care |
55 |
14.3 |
194 |
50.5 |
101 |
26.3 |
34 |
8.9 |
2.30±.82 |
Total mean |
|
|
|
|
|
|
|
|
2.74±.68 |
Duration of stay in hospital was significantly correlated with patient satisfaction meaning that the patients who had stayed in hospital for less than 8 days (p = .02) were dissatisfied towards nursing care than those of patients who had stayed for more than 8 days. Findings also reveal that category of bed were significantly correlated with patient satisfaction toward nursing care (p = .04) meaning that non-paying
patients were mostly dissatisfied toward nursing care than those of paying patients. Considering place of study, patients admitted in BSMMU had greater satisfaction towards nursing care (p = .006) than those of patients admitted in other hospitals. However, age, gender, religion, education, income, residence, and admission unit were non-significant toward patient satisfaction regarding nursing care (table III).
Variable |
Category Satisfaction with nursing care |
c2 |
p |
|||
---|---|---|---|---|---|---|
Dissatisfied n (%) |
Satisfied n (%) |
Total n (%) |
||||
Age in years |
<37 |
122 (31.77) |
79 (20.57) |
201 (52.34) |
.978 |
.18 |
|
>37 |
120 (31.25) |
63 (16.40) |
183 (47.66) |
|
|
Gender |
Male |
132 (34.37) |
68 (17.7) |
200 (52.1) |
1.59 |
.12 |
|
Female |
110 (28.64) |
74 (19.27) |
184 (47.9) |
|
|
Religion |
Muslim |
215 (55.98) |
129 (33.59) |
344 (89.6) |
.384 |
.33 |
|
Non-Muslim |
27 (7.03) |
13 (3.38) |
40 (10.41) |
|
|
Occupation |
Service |
54 (14.10) |
33 (8.60) |
87 (22.7) |
3.93 |
.26 |
|
Business |
29 (7.60) |
15 (3.90) |
44 (11.5) |
|
|
|
Housewife |
68 (17.70) |
52 (13.54) |
120 (31.3) |
|
|
|
Cultivator |
91 (23.70) |
42 (10.93) |
133 (34.6) |
|
|
Income in taka |
<17200 |
148 (38.54) |
93 (24.21) |
241 (62.8) |
.720 |
.23 |
|
>17200 |
94 (24.47) |
49 (12.76) |
143 (37.2) |
|
|
Place of Study |
BSMMU |
51 (13.28) |
45 (11.71) |
96 (25.0) |
10.593 |
.006 |
|
DMCH |
62 (16.14) |
34 (3.64) |
96 (25.0) |
|
|
|
SSMCH |
57 (14.84) |
39 (10.15) |
96 (25.0) |
|
|
|
SHMCH |
72 (18.75) |
24 (6.25) |
96 (25.0) |
|
|
Education |
No education |
36 (9.37) |
21 (5.46) |
57 (14.8) |
.139 |
.93 |
|
Few education |
132 (34.37) |
80 (20.83) |
212 (55.20) |
|
|
|
Higher education |
74 (19.27) |
41 (10.67) |
115 (29.94) |
|
|
Residence |
Rural |
133 (34.63) |
80 (20.83) |
213 (55.5) |
.069 |
.43 |
|
Urban |
109 (28.38) |
62 (16.14) |
171 (44.5) |
|
|
Duration of stay |
< 8 days |
166 (43.20) |
83 (21.60) |
249 (64.80) |
4.04 |
.02 |
|
> 8 days |
76 (19.80) |
59 (15.40) |
135 (35.20) |
|
|
Admission unit |
Medicine |
65 (16.92) |
41 (10.67) |
106 (27.6) |
1.206 |
.75 |
|
Surgery |
61 (15.88) |
40 (10.41) |
101 (26.3) |
|
|
|
Orthopedic |
52 (13.54) |
30 (7.81) |
82 (21.4) |
|
|
|
Neuromedicine |
64 (16.66) |
31 (8.06) |
95 (24.7) |
|
|
Category of bed |
Paying |
86 (22.39) |
38 (8.89) |
124 (32.3) |
3.153 |
.04 |
|
Non-paying |
156 (40.62) |
104 (27.08) |
260 (67.7) |
|
|
Previous |
Yes |
68 (17.70) |
32 (8.33) |
100 (26.0) |
1.438 |
.14 |
Admission |
No |
174 (45.31) |
110 (28.64) |
284 (74.0) |
|
|
Occupation |
Service |
54 (14.10) |
33 (8.60) |
87 (22.7) |
.069 |
.43 |
|
Business |
29 (7.60) |
15 (3.90) |
44 (11.5) |
|
|
|
Housewife |
68 (17.70) |
52 (13.54) |
120 (31.3) |
|
|
|
Cultivator |
91 (23.70) |
42 (10.93) |
133 (34.6) |
|
|
Logistic regression was used to establish the probability of satisfaction level of nursing care. Then predictive variables including the place of study, duration of stay in hospital, and category of bed were used in the analysis. The overall predictive model was statistically significant (p <.05). Only study place is significant among the independent variables in predicting the likelihood of patient satisfaction with nursing care. The odds of having the patients admitted in BSMMU was 57.0% higher satisfaction with nursing care (OR = .576) than those of other study place. The overall model and one predictor were statistically significant. The overall effect size was also modest, with Nagelkerke R2 equal to .038 (table IV).
Predictor |
B |
SE |
Wald |
p |
OR |
95% Cl, odds |
Ratio |
---|---|---|---|---|---|---|---|
Lower |
Upper |
||||||
Category of Bed |
.349 |
.235 |
2.203 |
.13 |
1.41 |
.844 |
2.248 |
Duration of stay |
.384 |
.223 |
2.980 |
.08 |
1.46 |
.949 |
2.271 |
Study places |
-.552 |
.240 |
5.318 |
.02 |
.576 |
.360 |
.920 |
Constant |
-.583 |
.106 |
23.524 |
.000 |
|
|
|
Model (likelihood ration) chi-square = 10.890, df = 3, ,p < .001 Nagelkerke R2 = .038
Percent correctly classified = 63%
Discussion
The purpose of this study was to assess the level of patients’ satisfaction regarding nursing care. The mean patient’s satisfaction was 2.74 which indicate moderate level of satisfaction among the patients which is inconsistent with the Malaysian study.28 The difference might be related to the different types of hospital that the study places of Malaysia were in teaching and research-based hospital that most of the nurses were professionally expertise and had adequate knowledge on technology for providing better nursing care. Study conducted in Ethiopia found highest patients’ mean (M=3.03, SD=.83) satisfaction toward nursing care than current study. The findings of Ethiopian study might be different from this study due to nurses become courteous and treated patient with dignity and respect or differences in organisational policy, nursing care delivery system, supervision and monitoring, in-service education and higher educational profile of nurses. Majority of the patients (83.0%) were satisfied with nurses’ behaviours. This finding was consistent with the study of Rafii et al and inconsistent with the findings of Wolf, Miller and Devine.30,31 The possible explanation might be due to inadequate nurse patient ratio or too much work load in the hospitals. Nurses’ communication with the patients is the most important behavior in providing nursing care to the patients. The mean explanation about tests, treatments of the patient towards satisfaction was 2.83, is lower than those of Black lion hospital (M=3.86) and Saints hospital (M= 3.26) in Malaysia.28
The mean patients’ satisfaction regarding hospital environment by the nurse and advice during discharge or transfer from hospital or another department is higher than study conducted by Karaca and Duma in 2019.18 This finding indicated that patients in present study were more satisfied than Karaca and Durna’s study. The inconsistent results may be due to differences in hospital regulations, structure, educational background and cultural context between two countries. Majority of the patients in this study were unsatisfied about nurses’ use of computer for report and treatment. This finding is similar with the previous study conducted by Mohanan in 2010.9 Present study found that patients in BSMMU hospitals were more satisfied with nursing care as compared to other government hospitals. Similar findings reported by Indian study of Sreenivas and Prasad in 2003, where it was found that patients were more satisfied in corporate managed hospitals than other hospitals.32 Therefore, it is recommended to plan and implement the training programs needed for nurses to improve their knowledge and skills of communication and use of emotional support measures for the patients.35
Place of study and category of bed were significantly correlated with patient satisfaction regarding nursing care. It means that the patients admitted in BSMMU and non-paying bed showed higher satisfaction towards nursing care than those of patients admitted in other study places and paying bed. In term of duration of stay in hospital, the patients who were admitted in less than 8 days were mostly dissatisfied toward nursing care. These findings are inconsistent with the previous study conducted by Belayneh due to differences in hospital policy, educational background, and hospital facilities.28
We used a convenience sample gathered in the day time, thus patients who were both admitted and discharged at night could not include in the study. Hospital policy including communication technology, treatment and diagnostic procedure, patient’s discharge, transfer and wait time need to be enhanced for increasing patient satisfaction. In-service education and training regarding nursing care based on dimension and process may be developed for nurses to increase the level of patient satisfaction. Furthermore, intervention study is recommended to develop hospital policy for patient satisfaction toward nursing care.
Conclusion
Patients showed a moderate level of satisfaction regarding nursing care. However, study places, category of bed and duration of stay in hospital were identified as major factors influencing patients satisfaction toward nursing care. These findings suggested that hospital policy along with in-service education and training is needed to enhance nurses’ competencies in order to improve the patient satisfaction regarding nursing care. Patients’ views have become an important element in the evaluation of health care. The nurses need to know what factors influence patient satisfaction, if we have to improve the quality of health care.
Acknowledgments
We would like to extend our sincere gratitude toward the Authority of BSMMU for providing me the research grant to conduct this study. I must acknowledge to all Physicians, nurses, staffs and the patients, who helped and allowed me to collect the data.
References
Submission
10 October 2020
Accepted
17 October 2021
Published
01 December 2021
Apply citation style format of Bangladesh Medical Research Council
Issue
Vol 47 No 3 (2021)
Section
Research Articles
Ethical Clearance
IRB of Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka, Bangladesh.
Financial Support
Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka, Bangladesh.
Conflict of Interest
Authors declare no conflict of interest.
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