Table 3

Characteristics of all published randomised controlled trials included

ICMJE-member journals
(n=100)
ICMJE-affiliated journals
(n=100)
Data-sharing statement in article98 (98%; 92% to 99%)25 (25%; 17% to 35%)
Intentions to share individual patient data in statement
 Yes67 (67%; 57% to 76%)17 (17%; 10% to 26%)
 No21 (21%; 14% to 31%)3 (3%; 0.1% to 9%)
 Unclear10 (10%; 5% to 18%)5 (5%; 2% to 12%)
 Not available2 (2%; 0.3% to 8%)75 (75%; 65% to 82%)
Type of registration
 Prospective80 (80%; 71% to 87%)50 (50%; 40% to 60%)
 Retrospective20 (20%; 13% to 29%)22 (22%; 15% to 32%)
 Unclear28 (28%; 20% to 38%)
Registration of a data-sharing plan
 Yes10 (10%; 5% to 18%)8 (8%; 4% to 16%)
 Yes, but not in original version12 (12%; 7% to 20%)5 (5%; 2% to 12%)
 No78 (78%; 68% to 85%)87 (87%; 78% to 93%)
  • ICMJE, International Committee of Medical Journal Editors.