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ORIGINAL ARTICLE
Year : 2011  |  Volume : 2  |  Issue : 1  |  Page : 35-38

Study design and statistical methods in Indian medical journals


1 Department of Pharmacology, Govt. Medical College, Surat, India
2 Department of Community Medicine, Govt. Medical College, Surat, India

Correspondence Address:
Jaykaran
Department of Pharmacology, Govt. Medical College, Surat - 395001
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0976-9234.82983

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Aims and Objectives: Types of study designs and statistical method utilized by authors for articles published in foreign journals has been widely documented. Few such attempts are also done for articles published in Chinese and Pakistani Journals but no such attempt has been documented for articles published in Indian Medical Journals. This manuscript is an attempt to appraising articles published in Indian Medical Journals in terms of study designs and statistical methods used. Materials and Methods: All the original articles published in 2009 from 14 PubMed indexed Indian Medical Journals were analyzed for study designs and statistical methods. These journals were Annals of Indian Academy of Neurology (AIAN), Indian Journal of Orthopedics (IJOrtho), Indian Journal of Critical Care Medicine (IJCCM), Indian Journal of Dermatology, Venereology and Leprology (IJDVL), Indian Journal of Nephrology (IJN), Indian Journal of Dermatology (IJD), Indian Journal of Ophthalmology (IJO), Indian Journal of Urology (IJU), Indian Journal of Anesthesia (IJA), Indian Journal of Psychiatry (IJPsy), Indian Pediatrics (IP), Indian Journal of Medical Research (IJMR), Indian Journal of Medical Science (IJMS) and Indian Journal of Community Medicine (IJCM). Values are shown as frequency and percentages. Results: Majority of the published articles were based on prospective study designs (60.8%). Clinical trials were as method of study was documented in 12.5% articles. Three most common tests were t test (23.2%), Chi-square test (21.9%) and analysis of variance (ANOVA) (10.5%). However, statistical methods were not at all used by 26.2% articles. Conclusions: Knowledge regarding prospective studies and statistical methods related to contingency table, t test and ANOVA needs to be updated to the Undergraduate and Postgraduate students.


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