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Table 2 General characteristics of manuscripts of randomised trials (n = 197 manuscripts)

From: Impact of a web-based tool (WebCONSORT) to improve the reporting of randomised trials: results of a randomised controlled trial

  WebCONSORT
(n = 94)
Control
(n = 103)
Trial designa
 Cluster 4 (4%) 4 (4%)
 Cross over 2 (2%) 4 (4%)
 Factorial 0 (0%) 1 (1%)
 Non-inferiority 7 (7%) 3 (3%)
 Parallel 88 (94%) 94 (97%)
 Pragmatic 15 (16%) 11 (11%)
 Split body 1 (1%) 0 (0%)
Disease specialty (top five specialties)
 Nephrology 13 (14%) 15 (15%)
 Gastroenterology 12 (13%) 12 (12%)
 Obstetrics & Gynaecology 8 (8.5%) 8 (8%)
 Psychiatry & Psychology 5 (5%) 8 (8%)
 Oncology 7 (7%) 3 (3%)
Type of intervention
 Drug 40 (42.5%) 33 (32%)
 Surgery 8 (8.5%) 7 (7%)
 Device 14 (15%) 13 (12.5%)
 Rehabilitation 5 (5%) 7 (7%)
 Psychological 9 (10%) 13 (12.5%)
 Education 14 (15%) 17 (16.5%)
 Herbal 2 (2%) 13 (12.5%)
 Acupuncture 2 (2%) 0
Study centres
 Single 45 (48%) 46 (45.5%)
 Multi 42 (45%) 48 (46.5%)
 Unclear 7 (7%) 9 (9%)
Number of study groups (arms)
 2 81 (86%) 85 (82.5%)
 3 9 (10%) 12 (11.5%)
 4 3 (3%) 6 (6%)
  > 4 1 (1%) 0
Median sample size (IQR) [parallel group only] 108 (54 to 183) 84 (50 to 157)
Funding
 Solely industry 10 (11%) 11 (11%)
 Part industry 9 (9.5%) 6 (6%)
 Non industry 47 (50%) 55 (53%)
 Unknown 19 (20%) 24 (23%)
 None 9 (9.5) 7 (7%)
Flow diagram reported in revised manuscript
 Yes 80 (85%) 89 (86%)
 No 14 (15%) 14 (14%)
Manuscript published
 Yes 76 (81%) 87 (84%)
 No 18 (19%) 16 (16%)
  1. a36/197 (18%) had more than one applicable trial design