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Table 1 Distribution of categories of original health research papers from India included in PubMed.

From: Trends of public health research output from India during 2001-2008

Type of health research No. (%) of papers in 2002 No. (%) of papers in 2007 2007 to 2002 ratio
Basic research 2227 (49.6) 5360 (59.1) 2.4
Pure 518 (11.5) 1897 (20.9) 3.7
Applied 1709 (38.0) 3463 (38.2) 2.0
Clinical research 2119 (47.2) 3253 (35.9) 1.5
Patient series/management 1639 (36.5) 1642 (18.1) 1.0
Laboratory studies/clinical investigations 277 (6.2) 915 (10.1) 3.3
Clinical trials 153 (3.4) 312 (3.4) 2.0
Clinical epidemiology 50 (1.1) 384 (4.2) 7.7
Public health research 148 (3.3) 453 (5.0) 3.1
Epidemiology 72 (1.6) 249 (2.7) 3.5
Behavioural/environmental/social 31 (0.7) 119 (1.3) 3.8
Health system/policy 45 (1.0) 85 (0.9) 1.9
Total 4494 (100) 9066 (100) 2.0