Table 2.
Characteristics of included studies.
| Study ID | N | Interventions | Treatment (W) | Main acupoints | ||
|---|---|---|---|---|---|---|
| E | C | E | C | |||
| Liu [15] | 31 | 31 | EA | ACE | 8 | CV12, CV6, ST25, ST21, GB26, SP15, LI11, ST36, ST39, ST37, ST40 |
| Lu et al. [16] | 35 | 35 | EA | CA | 4 | CV13, CV12, CV10, CV9, CV6, CV4, SP16, SP14, SP15, ST21, ST24, ST25, ST26, ST28, LR13, ST36, SP9, SP6, LI11, LI4 |
| Wang and Xiao [17] | 45 | 45 | EA | BT | 4 | CV12, CV4, SP15, CV10, CV6, ST25, ST24, ST26 |
| Zhao et al. [18] | 60 | 60 | EA | CA | 6 | ST34, SP4, ST37, ST25 |
| Zhao et al. [19] | 31 | 30 | EA | BT | 7 | CV12, ST25, CV4, ST36, ST40, SP9, SP6, BL20, BL21 |
| Chen et al. [20] | 40 | 40 | EA | BT | 4 | ST25, TE6, SP6, ST36, ST40, SP9, ST27 |
| Cui [21] | 25 | 25 | EA | CA | 4 | CV9, CV7, ST26, ST25, ST24 |
| Huang [22] | 31 | 30 | EA | CA | 5 | CV4, CV12, ST25, SP14, GB26, LI11, ST36, SP6, ST40, ST44, TE6, ST37, ST39 |
| Zhao and Shi [23] | 30 | 30 | EA | BT | 8 | ST25, ST24, ST26 , ST32, ST36, ST37, ST39, ST44, SP6, SP15, SP14, CV12, CV10, CV4 |
| Chen [24] | 52 | 51 | EA | BT | 4 | CV12, CV6, ST24, SP15, TE6, ST36, ST34, SP6 |
| Zhang et al. [25] | 15 | 15 | EA | SEA | 4 | ST25, SP6, CV12, ST36 |
| Wang et al. [26] | 45 | 45 | EA | CA | 12 | ST44, ST37, ST39, ST40, ST25, ST36, SP9, LI11 |
| Cui [21] | 30 | 30 | EA | CA | 6 | CV12, ST25, GB26, ST28, ST36 |
Notes: E, experimental group; C, control group; W, week; EA, electroacupuncture; ACE, acupoint catgut embedding; BT, basic treatment; CA, acupuncture.