Table 5 Length of follow up of included RCTs (days)
From: An assessment of the quality of randomised controlled trials conducted in China
Days of follow-up | Number of papers (%) |
|---|---|
Not clear | 105 (34.2%) |
0–30 | 85 (27.7%) |
31–90 | 43 (14.0%) |
91–365 | 43 (14.0%) |
366–3650 | 31 (10.1%) |
Total | 307 (100.0%) |