Table 2 Characteristics of included clinical trials in meta-analysis
Study | Study design | Jadad score | Sample size (monotherapy/combination therapy) | Duration of treatment (week) | Follow-up period (weeks) |
|---|---|---|---|---|---|
Rapti (2007) | RCT | 4 | 14/28 | 120/160 | 40 |
Chen (2008) | RCT | 4 | 34/34 | 48 | 12 |
Yang (2008) | RCT | 2 | 73/73 | 48 | 12 |
Peters (2004) | RCT, DB | 5 | 19/20 | 48 | 12 |
Xiao (2008) | RCT | 4 | 85/54 | 88 | 22 |
Ijaz (2008) | RCT, | 3 | 4/4 | 79/71 | 20/17 |