TABLE 1.
Baseline features of the included studies (1).
| References | Characteristics of participants | ||
| T | Age, mean | Sex | |
| Xiao et al. (49) | 44 | I = 52.0, C = 50.0 | Unclear |
| He (48) | 60 | I = 43.23 ± 8.01, C = 41.50 ± 7.45 | F = 26, M = 34 |
| Cai et al. (47) | 60 | I = 50.8 ± 8.0, C = 49.9 ± 8.0 | F = 27, M = 33 |
| Feng (45) | 100 | I = 45.55 ± 7.33, C = 50.22 ± 4.68 | F = 49, M = 51 |
| Chen and Yang (46) | 60 | I = 51.1 ± 8.3, C = 50.4 ± 9.4 | F = 47, M = 13 |
| Wu and Chen (44) | 68 | I = 57.8 ± 5.6, C = 56.3 ± 5.3 | F = 37, M = 31 |
| Yuan et al. (43) | 60 | I = 67.5 ± 5.6, C = 67.0 ± 7.2 | F = 44, M = 16 |
| Xie et al. (50) | 84 | I = 56.3 ± 6.5, C = 60.0 ± 6.7 | F = 32, M = 52 |
| Chen (39) | 60 | I = 39.27 ± 9.40, C = 40.00 ± 7.89 | F = 36, M = 24 |
| Xiong (41) | 60 | I = 52.1 ± 10.8, C = 51.7 ± 10. | F = 33, M = 27 |
| Xu and Wang (40) | 60 | I = 54.93 ± 11.21, C = 55.27 ± 9.84 | F = 37, M = 23 |
| Yang et al. (28) | 55 | I = 49.6 ± 7.8, C = 46.5 ± 9.9 | F = 28, M = 27 |
| Liu and Zhu (38) | 69 | I = 41.5 ± 8.26, C = 41.8 ± 7.3 | F = 41, M = 28 |
T, total population; I, intervention group; C, control group; F, female; M, man.