组别

例数

年龄(x ± s,岁)

性别(男/女)

病程(x ± s,岁)

试验组

30

39.63 ± 13.12

17/13

5.76 ± 1.81

对照组

30

39.56 ± 8.60

13/17

5.36 ± 1.47

检验值

Z = −0.303

X2 = 1.067a

0.938b

P值

0.982

0.302

0.352