Table 1.
Clinical characteristics in randomized controlled studies (RCT).
| China (n = 19) | Studies Outside China (n = 44) | p-Value | |
| Planned Enrollment | 136.2 ± 114.6 | 1944.9 ± 6109.6 | 0.204 | 
| Blinded | 11 (57.9%) | 24 (54.5%) | 0.806 | 
| Multicenter | 7 (36·8%) | 16 (36·4%) | 0.971 | 
| Multi-Country | 0 (0%) | 3 (6·8%) | 0.547 | 
| Sponsor (Industry) | 1 (5.3%) | 10 (22.7%) | 0.150 | 
| Blinded (n = 35) | Open Label (n = 28) | ||
| Planned Enrollment | 1933.8 ± 6817.7 | 731.4 ± 1303.5 | 0.362 | 
| China | 11 (31.4%) | 8 (28.6%) | 0.806 | 
| Multicenter | 9 (25.7%) | 14 (50.0%) | 0.047 | 
| Multi-Country | 1 (2.9%) | 2 (7.1%) | 0.560 | 
| Sponsor (Industry) | 7 (20.0%) | 4 (14.3%) | 0.553 | 
| Multicenter (n = 23) | Single Center (n = 40) | ||
| Planned enrollment | 959.9 ± 1719.9 | 1652.2 ± 6358.2 | 0.612 | 
| China | 7 (30.4%) | 12 (30.0%) | 0.971 | 
| Blinded | 9 (39.1%) | 26 (65.0%) | 0.047 | 
| Multi-Country | 3 (13.0%) | 0 (0%) | 0.045 | 
| Sponsor (Industry) | 5 (21.7%) | 6 (15.0%) | 0.498 | 
| Multi-Country (n = 3) | Single Country (n = 60) | ||
| Planned Enrollment | 2573.3 ± 3058.5 | 1340.7 ±5249.2 | 0.690 | 
| China | 0 (0%) | 19 (31.7%) | 0.547 | 
| Blinded | 1 (33.3%) | 34 (56.7%) | 0.427 | 
| Multicenter | 3 (100%) | 20 (33.3%) | 0.045 | 
| Sponsor (Industry) | 3 (100%) | 8 (13.3%) | 0.004 | 
| Sponsor (Industry) (n = 11) | Researcher (n = 52) | ||
| Planned Enrollment | 905.8 ± 1744.6 | 1503.9 ± 5627.4 | 0.730 | 
| China | 1 (9.1%) | 18 (34.6%) | 0.150 | 
| Blinded | 7 (63.6%) | 28 (53.8%) | 0.741 | 
| Multicenter | 5 (45.5%) | 18 (34.6%) | 0.511 | 
| Multi-Country | 3 (27.3%) | 0 (0%) | 0.004 | 
Data are mean ± SD or number (percentage) of patients.