Table 8 Power analysis for primary hypothesis
Baseline recurrence rate | % Reduction | Power | Total births | Total subject years |
|---|---|---|---|---|
0.07 | 70 | 0.8 | 524 | 5475 |
| Â | 0.7 | 418 | 4368 | |
50 | 0.8 | 1114 | 11641 | |
| Â | 0.7 | 874 | 9133 | |
30 | 0.8 | 3324 | 34734 | |
| Â | 0.7 | 2574 | 26897 | |
0.05 | 70 | 0.8 | 742 | 7753 |
| Â | 0.7 | 590 | 6165 | |
50 | 0.8 | 1582 | 16531 | |
| Â | 0.7 | 1240 | 12957 | |
30 | 0.8 | 4734 | 49467 | |
| Â | 0.7 | 3666 | 38307 | |
0.03 | 70 | 0.8 | 1254 | 13103 |
| Â | 0.7 | 996 | 10408 | |
50 | 0.8 | 2676 | 27962 | |
| Â | 0.7 | 2096 | 21902 | |
30 | 0.8 | 8024 | 83845 | |
| Â | 0.7 | 6210 | 64890 |