组别

例数

治疗前积分

治疗后积分

t

P

治疗组

40

29.35 ± 9.97

8.75 ± 3.20

t = 40.458

P = 0.000

对照组

40

27.70 ± 9.92

15.85 ± 4.78

t = 15.855

P = 0.000

t

t = 0.960

t = −7.800

P

P = 0.340

P = 0.000