Table 1 Application characteristics
| Â | Number of trials | |
|---|---|---|
| Â | (n=48), n (%) | |
Type of trial | Parallel | 42 (87.5) |
| Â | Cluster | 5 (10.4) |
| Â | Factorial | 1 (2.1) |
Nature | Superiority | 37 (77.1) |
| Â | Non-inferiority | 7 (14.6) |
| Â | Equivalence | 4 (8.3) |
Number of Primary Outcomes | 1 | 35 (72.9) |
2 | 9 (18.8) | |
| Â | 3 | 3 (6.3) |
4 | 1 (2.1) | |
Number of trial arms | 2 | 37 (77.1) |
| Â | 3 | 9 (18.8) |
| Â | 4 | 2 (4.2) |
Median Sample size (range) | 583 (172 to 20,000) | Â |