Table 1.
Characteristics of the randomized controlled trials included in this study.
| Author (reference) | Published year | Cases T/C | Age (years) Range, mean |
Sex Male/female |
History (years) Range, mean |
|---|---|---|---|---|---|
| Shen et al. [5] | 1999 | 39/35 | T: 39–72, 55.3 C: 40–71, 56.5 |
T: 26/13 C: 23/12 |
2–13, 5.7 |
| Chen et al. [6] | 2000 | 80/40 | NR | NR | NR |
| Cai et al. [7] | 2001 | 44/40 | T: 8–51, 29 C: 12–50, 31 |
T: 35/9 C: 32/8 |
T: 0.8–11, 5.9 C: 0.7–11, 5.8 |
| Zhou [8] | 2002 | 60/60 | T: 28–70, 49 C: 26–68, 47 |
T: 40/20 C: 45/15 |
NR |
| Liu et al. [9] | 2002 | 56/44 | 35–67 | 78/2 | 3–25 |
| Chen et al. [10] | 2003 | 43/42 | 36–71, 54.72 | NR | NR |
| Cai [11] | 2004 | 66/122 | T: 54.6 C: 58.7 |
T: 59/7 C: 107/15 |
NR |
| Wu et al. [12] | 2006 | 37/31 | 35–65 | 51/17 | >2 |
| Yi and Li [13] | 2007 | 45/43 | T: 20–55, 37 C: 18–51, 33 |
T: 25/20 C: 25/18 |
T: 5–13 C: 5–10 |
| Pen and Wang [14] | 2010 | 52/44 | T: 28–69, 36.8 C: 24–67, 35.6 |
T: 38/14 C: 28/16 |
NR |
| Liu et al. [15] | 2010 | 32/31 | 25–62, 39.7 | T: 26/6 C: 23/8 |
NR |
T: trials group, C: control group. NR: no report.