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Table 4 Level of Trial Steering Committee (TSC) and Data Management Committee (DMC) reporting split by journal

From: A cohort examination to establish reporting of the remit and function of Trial Steering Committees in randomised controlled trials

Committee(s) reported Journal (N in cohort) Total (N = 264)
BMJ (N = 16) NEJM (N = 55) Lancet (N = 66) HTA (N = 127)
TSC and DMC reported 4 25.0% 31 56.4% 19 28.8% 55 43.3% 109 41.3%
N papers reporting TSC (N papers reporting  DMC)
 Acknowledged/listed 2 (2) 19 (23) 14 (15) 52 (50) 87 (90)
 Main paper 2 (2) 7 (6) 5 (4) 3 (5) 17 (17)
 Supplementary paper 0 (0) 0 (0) 0 (0) NA 0 (0)
 Protocol 0 (0) 5 (2) 0 (0) NA 5 (2)
TSC only reported 2 12.5% 3 5.5% 1 1.5% 29 22.8% 35 13.3%
N papers reporting TSC
 Acknowledged/listed 1 2 1 19 23
 Main paper 1 1 0 10 12
 Supplementary paper 0 0 0 NA 0
 Protocol 0 0 0 NA 0
 Reason for no DMC provided 0 0 0 3 3
DMC only reported 0 0.0% 17 30.9% 26 39.4 6 4.7% 49 18.6%
N papers reporting DMC
 Acknowledged / listed 0 8 3 5 16
 Main paper 0 6 22 1 29
 Supplementary paper 0 1 1 NA 2
 Protocol 0 2 0 NA 2
 Reason for no TSC provided 0 0 0 0 0
Neither committee reported 10 62.5% 4 7.3% 20 30.3% 37 29.1% 71 26.9%
N papers
 Reason for no TSC provided 0 0 0 0 0
 Reason for no DMC provided 0 2 0 0 2
  1. BMJ British Medical Journal, HTA Health Technology Assessment Monograph series, NA not applicable, NEJM New England Journal of Medicine