| Surgery |
Late |
Early |
Early |
Early |
| Planning: (Late–early) |
|
0.05 |
0.075 |
0.10 |
| Planning: odds ratio (OR) |
|
0.75 |
0.64 |
0.53 |
| VPI proportion |
| Incompetent |
0.25 |
0.2 |
0.175 |
0.15 |
| Marginal/competent |
0.75 |
0.8 |
0.825 |
0.85 |
| Trial size |
|
2188 |
986 |
500 |
| B: Categorical (three point) scale |
| Surgery |
Late |
Early |
Early |
Early |
| Planning: odds ratio (OR) |
|
0.75 |
0.64 |
0.53 |
| VPI proportion |
| Incompetent |
0.25 |
0.200 |
0.175 |
0.150 |
| Marginal |
0.35 |
0.329 |
0.314 |
0.293 |
| Competent |
0.40 |
0.471 |
0.510 |
0.566 |
| Trial size |
|
1314 |
552 |
276 |