组别

例数

治疗前积分

治疗后积分

t/Z

P

治疗组

40

15.55 ± 3.11

4.88 ± 1.89

t = 22.975

P = 0.000

对照组

40

16.08 ± 2.50

7.48 ± 1.48

Z = −5.523

P = 0.000

t/Z

Z = −0.736

T = −6.826

P

P = 0.462

P = 0.000