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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%)