Table 1 RNT and NNT under different baseline response rates and response rate differences
From: Reduction in number to treat versus number needed to treat
Response rate difference | RNT | NNT | ||||||
|---|---|---|---|---|---|---|---|---|
Baseline response rate (control) | ||||||||
0.8 | 0.6 | 0.4 | 0.2 | 0.1 | 0.05 | 0.01 | ||
0.2 | 0.25 | 0.42 | 0.83 | 2.50 | 6.67 | 16.00 | 95.24 | 5.00 |
0.15 | 0.20 | 0.33 | 0.68 | 2.14 | 6.00 | 15.00 | 93.75 | 6.67 |
0.1 | 0.14 | 0.24 | 0.50 | 1.67 | 5.00 | 13.33 | 90.91 | 10.00 |
0.05 | 0.07 | 0.13 | 0.28 | 1.00 | 3.33 | 10.00 | 83.33 | 20.00 |
0.01 | 0.02 | 0.03 | 0.06 | 0.24 | 0.91 | 3.33 | 50.00 | 100.00 |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ∞ |