Characteristics | Experimental group | Control group | P |
---|---|---|---|
 | (EG) n = 20 | (CG) n = 20 |  |
Age, years | 53.60 ± 5.18 | 54.85 ± 5.89 | 0.480 |
Gender,male/female | 12/8 | 9/11 | 0.342 |
Duration, months | 2.79 ± 1.05 | 3.13 ± 1.07 | 0.310 |
Stage | 1.30 (1.08–1.52) | 1.15 (0.98–1.32) | 0.262 |
Affected side, R/L | 13/7 | 15/5 | 0.490 |