Number of cases (n)

PSQI

BI

Before nursing

After nursing

Before nursing

After nursing

Group A

30

14.80 ± 3.29

8.20 ± 1.79

30.50 ± 4.97

45.00 ± 9.74

Group B

30

14.10 ± 3.86

11.30 ± 3.72

32.17 ± 6.39

40.17 ± 7.13

t

0.76

4.11

1.13

2.19

P

0.45

<0.01*

0.27

0.03^#