Table 2: Motivation for research efforts reported by authors aware of existing RCT evidence.
| RCT-related motivation | No. (%) studies | |
|---|---|---|
| Studies with only 1 RCT-related motivation n = 125 |
All studies* n = 213 |
|
| Assess effects in the "real world" | 41 (32.8) | 80 (37.6) |
| Assess different outcomes | 34 (27.2) | 68 (31.9) |
| RCT evidence inconclusive or inconsistent | 23 (18.4) | 55 (25.8) |
| Compared with randomized evidence | 6 (4.8) | 15 (7.0) |
| Compared with randomized and nonrandomized evidence | 17 (13.6) | 40 (18.8) |
| Study specific patient population | 20 (16.0) | 50 (23.5) |
| Other | 7 (5.6) | 21 (9.9) |
| None | - | 19 (8.9) |
Note: RCT = randomized control trial.
*For study details, see Appendix 4 (available at www.cmajopen.ca/content/4/2/E132/suppl/DC1).