Table 1 Description of follow-up procedures in RCTs
Follow-up data | P value | ||
|---|---|---|---|
Yes | NO | ||
No. (%) | No. (%) | ||
Geographic location | |||
International | 13 (68) | 6 (32) | 0.06 |
North America (USA and Canada) | 10 (48) | 11 (52) | |
Western Europe | 38 (79) | 10 (21) | |
East Asia (Japan, Vietnam, China) | 5 (56) | 4 (44) | |
Number of participating countries | |||
1 country+ | 43 (66) | 22 (34) | 0.49 |
> 1 country | 23 (74) | 8 (26) | |
Number of participating centers | |||
≤ 50 | 29 (81) | 7 (19) | 0.75 |
> 50 | 17 (77) | 5 (23) | |
Industry sponsorship | |||
Yes | 37 (75) | 12 (25) | 0.64 |
No | 29 (69) | 13 (31) | |
Number of enrolled patients | |||
≤ 1000 patients | 34 (76) | 11 (24) | 0.14 |
> 1000 patients | 32 (62) | 20 (38) | |