Table 12.6.a: NNTs equivalant to specific SMDs for various given ‘proportions improved’ in the control group
|
Control group proportion improved
|
10% |
20% |
30% |
40% |
50% |
60% |
70% |
80% |
90% |
|
SMD = 0.1 |
57 |
33 |
26 |
23 |
23 |
24 |
28 |
37 |
66 |
|
SMD = 0.2 |
27 |
16 |
13 |
12 |
12 |
13 |
15 |
20 |
36 |
|
SMD = 0.5 |
9 |
6 |
5 |
5 |
5 |
6 |
7 |
10 |
18 |
|
SMD = 0.8 |
5 |
4 |
3 |
3 |
4 |
4 |
5 |
7 |
14 |
|
SMD = 1.0 |
4 |
3 |
3 |
3 |
3 |
4 |
5 |
7 |
13 |