Table 2.
Data on outcome indicators included in the study.
| Author | Number of acupuncture group | Number of control group | VAS | Clinical efficacy | PPI | PRI |
|---|---|---|---|---|---|---|
| Chen et al. (17) | 30 | 30 | Acupuncture group:1.78 ± 0.81 control group:4.66 ± 1.72 | Acupuncture group:20(significant efficiency)28(efficiency) control group:14(significant efficiency)25(efficiency) | NA | NA |
| Xiaolu (18) | 56 | 56 | Acupuncture group:1.44 ± 0.08 control group:1.98 ± 0.21 | Acupuncture group:52(significant efficiency)55(efficiency) control group:45(significant efficiency)47(efficiency) | NA | NA |
| Xi-liang (19) | 46 | 45 | Acupuncture group:3.52 ± 0.49 control group:4.79 ± 0.52 | Acupuncture group:31(significant efficiency)44(efficiency) control group:18(significant efficiency)39(efficiency) | Acupuncture group:1.16 ± 0.12 control group:1.99 ± 0.16 | Acupuncture group:1.57 ± 0.16 control group:2.01 ± 0.18 |
| Kang (20) | 30 | 30 | Acupuncture group:1.18 ± 0.32 control group:4.79 ± 0.52 | Acupuncture group:18(significant efficiency)28(efficiency) control group:10(significant efficiency)21(efficiency) | Acupuncture group:1.10 ± 0.26 control group:2.45 ± 0.47 | Acupuncture group:0.48 ± 0.08 control group:1.09 ± 1.20 |
| Hongliang et al. (21) | 46 | 46 | Acupuncture group:2.33 ± 0.22 control group:3.43 ± 0.20 | Acupuncture group:31(significant efficiency)40(efficiency) control group:24(significant efficiency)38(efficiency) | NA | NA |
| Xiongjiang et al. (22) | 48 | 48 | Acupuncture group:2.33 ± 0.51 control group:2.67 ± 0.42 | Acupuncture group:31(significant efficiency)42(efficiency) control group:29(significant efficiency)43(efficiency) | Acupuncture group:0.83 ± 0.11 control group:1.54 ± 0.24 | Acupuncture group:6.48 ± 1.01 control group:9.79 ± 1.08 |
| Wang (23) | 42 | 41 | Acupuncture group:2.24 ± 0.80 control group:4.31 ± 0.82 | Acupuncture group:31(significant efficiency)41(efficiency) control group:21(significant efficiency)35(efficiency) | Acupuncture group:0.92 ± 0.30 control group:2.21 ± 0.50 | Acupuncture group:6.31 ± 1.14 control group:10.14 ± 1.22 |
| Zhijuan et al. (24) | 49 | 49 | NA | Acupuncture group:42(significant efficiency)48(efficiency) control group:28(significant efficiency)41(efficiency) | NA | NA |
| Yuxia (25) | 30 | 30 | NA | Acupuncture group:10(significant efficiency)28(efficiency) control group:7(significant efficiency)26(efficiency) | NA | NA |
| Hongsheng et al. (26) | 50 | 50 | Acupuncture group:1.24 ± 0.32 control group:3.12 ± 0.84 | NA | NA | NA |