组别

治疗前

治疗后1 wk

治疗后1 mo

治疗后3 mo

治疗后6 mo

C组

15.65 ± 2.641

15.5 ± 2.395

16.1 ± 1.971

15.95 ± 2.544

15.8 ± 2.931

D组

15.72 ± 2.658

16.1 ± 2.335

16.24 ± 2.278

16.34 ± 2.192

16.24 ± 2.081

t

−0.096

−0.88

−0.225

−0.58

−0.617

P

0.924

0.383

0.823

0.564

0.54