| Trial | Arm 1 | Arm 2 | ||
|---|---|---|---|---|
| No. of events | Total no. randomised | No. of events | Total no. randomised | |
| i | ri , 1(%) | ni , 1 | ri , 2(%) | ni , 2 |
| 1 | 3 (5.5%) | 55 | 1 (1.8%) | 55 |
| 2 | 10 (10.6%) | 94 | 3 (3.2%) | 95 |
| 3 | 40 (7.0%) | 573 | 32 (5.7%) | 565 |
| 4 | 2 (3.3%) | 61 | 3 (4.8%) | 62 |
| 5 | 16 (3.8%) | 419 | 20 (4.8%) | 421 |
| 6 | 5 (7.2%) | 69 | 3 (4.2%) | 71 |
| 7 | 5 (6.7%) | 75 | 5 (6.7%) | 75 |
| 8 | 59 (7.5%) | 782 | 52 (6.6%) | 790 |
| 9 | 5 (6.2%) | 81 | 2 (2.5%) | 81 |
| 10 | 16 (7.1%) | 226 | 12 (5.3%) | 225 |
| 11 | 8 (12.1%) | 66 | 6 (8.5%) | 71 |
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