Table 1 Sample size calculation based on score of drug use at discharge
ICC | Centres per Group | Patients per Centre | Patients per Group | SD | Detectable Difference |
|---|---|---|---|---|---|
0.1 | 20 | 20 | 400 | 0.9 | 0.312 |
0.1 | 20 | 25 | 500 | 0.9 | 0.302 |
0.1 | 20 | 30 | 600 | 0.9 | 0.295 |
0.1 | 20 | 40 | 800 | 0.9 | 0.286 |
0.1 | 20 | 50 | 1,000 | 0.9 | 0.281 |
0.2 | 20 | 20 | 400 | 0.9 | 0.401 |
0.2 | 20 | 25 | 500 | 0.9 | 0.394 |
0.2 | 20 | 30 | 600 | 0.9 | 0.390 |
0.2 | 20 | 40 | 800 | 0.9 | 0.384 |
0.2 | 20 | 50 | 1,000 | 0.9 | 0.380 |