Table 2 Discrepancies between prespecified and published primary/secondary outcomes
From: Outcome reporting bias in randomized-controlled trials investigating antipsychotic drugs
| Â | No. of trials with discrepancies (%) | Total no. of discrepancies (% of prespecified/published outcomes) | Mean no. of discrepancies per included trial (N=48) |
|---|---|---|---|
Primary outcomes | |||
 Prespecified outcome not published | 4 (8%) | 8/63 (13%) | 0.2 |
 Prespecified outcome converted to secondary outcome in publication | 3 (6%) | 3/63 (5%) | 0.1 |
 Published outcomes not prespecified | 10 (21%) | 14/66 (21%) | 0.3 |
Secondary outcomes | |||
 Prespecified outcome not published | 18 (38%) | 58/197 (29%) | 1.2 |
 Prespecified outcome converted to primary outcome in publication | 4 (8.3%) | 9/197 (5%) | 0.2 |
 Published outcomes not prespecified | 37 (77%) | 154/284 (54%) | 3.2 |
