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Table 2 General characteristics of the included pediatric RCTs

From: 10-year trend in quantity and quality of pediatric randomized controlled trials published in mainland China: 2002–2011

Items Quantity
  (n, %)
Research institute  
 Teaching hospitals 254 (23.6%)
 Non-teaching hospitals 818 (75.9%)
 Scientific research institutions 5 (0.5%)
Study center  
 Multiple 25 (2.3%)
 Single 1052 (97.7%)
Funding  
 Not stated 1033 (95.91%)
 Stated 44 (4.09%)
 International 1 (0.09%)
 National 9 (0.84%)
 Provincial 17 (1.58%)
 Municipal 14 (1.3%)
 University 3 (0.28%)
 Pharmaceutical company sponsored Unclear
Intervention  
 Western medicine 688 (63.9%)
 Traditional Chinese medicine 350 (32.5%)
 Combined traditional Chinese and Western medicine 39 (3.6%)
Comparability of baseline  
 Comparable 936 (86.9%)
 Incomparable 2 (0.2%)
 Unclear 139 (12.9%)
Control intervention  
 Placebo control 12 (1.1%)
 Positive drug 461 (42.8%)
 Open control 604 (56.1%)
Sample size calculation  
 Stated 7 (0.6%)
 Not stated 1070 (99.4%)
Outcomes  
 Positive 1028 (95.5%)
 Negative 49 (4.5%)
Report of adverse events  
 Stated adverse events 279 (25.9%)
 Stated no adverse events 251 (23.3%)
 Not stated 547 (50.8%)