Subscale

Total group

Baseline

Total

group

2-month visit

Total

group

4-month visit

UC

PC3

p-value

UC

PC3

p-value

UC

PC3

p-value

PSQI total

9.6 ± 2.5

9.6 ± 2.6

9.6 ± 2.3

0.89

7.2 ± 2.6

7.0 ± 2.8

7.3 ± 2.5

0.40

6.2 ± 2.5

6.0 ± 2.7

6.5 ± 2.4

0.26

Sleep quality

0.61 ± 1.1

0.58 ± 1.1

0.64 ± 1.1

0.68

0.5 ± 1.0

0.5 ± 0.98

0.58 ± 1.0

0.47

0.5 ± 1.0

0.5 ± 1.0

0.5 ± 1.0

0.87

Sleep disturbance

2.0 ± 0.70

1.9 ± 0.68

2.0 ± 0.70

0.40

1.7 ± 0.61

1.6 ± 0.60

1.7 ± 0.61

0.45

1.6 ± 0.61

1.6 ± 0.62

1.6 ± 0.61

0.49

Sleep latency

1.0 ± 0.97

1.0 ± 0.94

0.9 ± 1.00

0.72

0.9 ± 0.95

0.9 ± 0.89

0.89 ± 1.0

0.87

0.8 ± 0.87

0.8 ± 0.93

0.8 ± 0.83

0.83

Sleep duration

3.0 ± 0.0

3.0 ± 0.0

3.0 ± 0.0

2.5 ± 0.58

2.5 ± 0.56

2.8 ± 0.60

0.84

1.8 ± 0.62

1.8 ± 0.66

1.8 ± 0.59

0.69

Daytime dysfunction

2.1 ± 0.79

2.1 ± 0.80

2.2 ± 0.78

0.65

1.4 ± 0.79

1.3 ± 0.83

1.4 ± 0.75

0.12

1.3 ± 0.83

1.2 ± 0.84

1.4 ± 0.81

0.17

Use of sleep medication

0.65 ± 0.96

0.64 ± 0.96

0.66 ± 0.96

0.87

0.3 ± 0.58

0.2 ± 0.64

0.3 ± 0.53

0.92

0.3 ± 0.68

0.2 ± 0.57

0.4 ± 0.75

0.05