Mann-Whitney’s U-test

HPs (N = 16)

PDs (N = 9)

Z value

p-value

Median value

25% value

75% value

Range

Median value

25% value

75% value

Range

Wakig time

LF/HF

3.37

2.45

6.09

2.19 - 8.16

1.78

1.36

3.61

0.84 - 5.66

−2.60

^**

HF (msec²)

343.61

188.01

434.73

101.09 - 677.90

82.52

76.03

694.47

15.69 - 3591.82

−1.19

n.s.

Sleeping time

LF/HF

1.59

0.91

2.23

0.81 - 2.94

1.62

0.99

2.87

0.67 - 4.17

−0.28

n.s.

HF (msec²)

759.72

470.31

1102.05

160.04 - 1774.53

205.50

82.42

1440.85

18.21 - 4027.65

−1.53

n.s.

Pearson’s r values of correlation

HPs (N = 16)

PDs (N = 9)

p-value

Median value

25% value

75% value

Range

Median value

25% value

75% value

Range

Wakig time

LF/HF and AC

0.26

0.17

0.35

−0.15 - 0.49

0.09

0.04

0.17

−0.34 - 0.32

§

HF and AC

−0.26

−0.40

−0.16

−0.55 - 0.14

−0.14

−0.19

−0.07

−0.25 - 0.27

Sleeping time

LF/HF and AC

0.08

0.02

0.12

−0.25 - 0.39

0.04

0.01

0.11

−0.24 - 0.42

HF and AC

−0.84

−0.17

0.00

−0.32 - 0.23

−0.03

−0.13

0.18

−0.19 - 0.28