Table 4 Use of COS in trials
From: A survey of knowledge, perceptions and use of core outcome sets among clinical trialists
Yes | No | Don’t know | |
|---|---|---|---|
N (%) | N (%) | N (%) | |
Involved in a trial that used a COS | 21 (55.3) | 15 (39.5) | – |
All COS outcomes used in trial | 9 (42.9) | 10 (47.6) | 2 (9.5) |
Search conducted to identify COS for use in triala | 6 (15.8) | 7 (18.4) | – |
Sources used to identify other trial outcomes | |||
Patient and public involvement | 15 (71.40) | 6 (28.6) | |
Practitioner opinion | 15 (71.40) | 6 (28.6) | |
Outcomes used in other trials | 17 (81) | 4 (19) | |
Recommendations from a professional body | 11 (52.4) | 10 (47.6) | |
Recommendations from a funding body | 0 | 21 (100) | |
Information from a feasibility/pilot study | 9 (42.9) | 12 (57.1) | |
Consensus process among all colleagues involvedb | 1 (4.76) | 20 (95.24) | |
Personal experience and expertiseb | 1 (4.76) | 20 (95.24) | |
Aim of the interventionb | 1( 4.76) | 20 (95.24) | |
Median | Range | IQR | |
Number of trials involved in that used a COS | 1 | 1–10 | 2.25 |