Group | Control group (n = 94) | Experimental group (n = 106) | t | p |
---|---|---|---|---|
The 3rd month | 30.08 ± 25.21 | 28.54 ± 21.76 | 0.460 | 0.646 |
The 6th month | 34.68 ± 23.58 | 30.84 ± 25.42 | 1.108 | 0.269 |
The 12th month | 44.48 ± 38.54 | 40.35 ± 35.84 | 0.782 | 0.435 |