组别

n

术前

术后1个月

术后3个月

SAS

SDS

SAS

SDS

SAS

SDS

观察组

59

67.23 ± 5.36

68.22 ± 6.01

60.02 ± 4.28^a,b

61.34 ± 5.23^a,b

51.02 ± 4.28^a,b

53.24 ± 3.82^a,b

对照组

59

67.15 ± 5.42

68.43 ± 5.97

63.15 ± 4.35^a

64.52 ± 5.17^a

60.47 ± 4.69^a

62.15 ± 3.76^a

t

0.426

0.347

2.813

3.541

8.513

7.171

P

0.362

0.408

0.017

0.015

0.000

0.002