From: Selecting patients for randomized trials: a systematic approach based on risk group
 |  | Relative Risk | |||
---|---|---|---|---|---|
NNT t | Cut-off for risk of recurrence | 0.75 | 0.8 | 0.85 | 0.9 |
10 | 10% | -0.00710 | -0.0162 | -0.02530 | -0.03440 |
 | 25% | 0.00880 | 0.00160 | -0.00560 | -0.01280 |
 | 50% | 0.01090 | 0.00620 | 0.00150 | -0.00320 |
15 | 10% | 0.01043 | 0.00133 | -0.00777 | -0.01687 |
 | 25% | 0.01787 | 0.01067 | 0.00347 | -0.00373 |
 | 50% | 0.01510 | 0.01040 | 0.00570 | 0.00100 |
20 | 10% | 0.01920 | 0.01010 | 0.00100 | -0.00810 |
 | 25% | 0.02240 | 0.01520 | 0.00800 | 0.00080 |
 | 50% | 0.01720 | 0.01250 | 0.00780 | 0.00310 |
25 | 10% | 0.02446 | 0.01536 | 0.00626 | -0.00284 |
 | 25% | 0.02512 | 0.01792 | 0.01072 | 0.00352 |
 | 50% | 0.01846 | 0.01376 | 0.00906 | 0.00436 |
33 | 10% | 0.02956 | 0.02046 | 0.01136 | 0.00226 |
 | 25% | 0.02776 | 0.02056 | 0.01336 | 0.00616 |
 | 50% | 0.01968 | 0.01498 | 0.01028 | 0.00558 |