TD

Mean RR (ms)

474.25 ± 94.12

615 ± 152.53^*

726.17 ± 69.04

479.23 ± 79.70

538.95 ± 161.89^*

674.75 ± 105.83

SDNN (ms)

45.87 ± 50.02

26.87 ± 28.01

26.58 ± 11.26

74.90 ± 114.82

31.25 ± 20.42

31.75 ± 13.93

STD HR (1/min)

7.43 ± 4.46

3.73 ± 2.17

3.08 ± 1.35

10.625 ± 11.41

6.338 ± 3.12

4.326 ± 2.01

RMSSD (ms)

45.52 ± 60.68

26.62 ± 27.68^**

22.08 ± 12.42^*

89.52 ± 147.72

25.05 ± 25.55^**

24.22 ± 19.03^*

FD

LF (n.u.)

71.40 ± 21.85

61.60 ± 11.06

65.69 ± 18.10

74.47 ± 14

63.92 ± 4.87

70.109 ± 19.63

HF (n.u.)

28.6 ± 21.85

38.4 ± 11.06

34.30 ± 18.10

25.52 ± 14

36.07 ± 4.87

29.89 ± 19.63

LF/HF (ms²)

3.952 ± 2.70

1.75 ± 0.71

2.38 ± 1.13

4.83 ± 4.83

1.81 ± 0.37

4.02 ± 3.51

NL

SD1 (ms)

32.25 ± 43.09

18.85 ± 19.57

15.75 ± 8.84^*

63.35 ± 104.59

17.72 ± 18.07

17.20 ± 13.50^*

SD2 (ms)

55.60 ± 57.28

32.92 ± 34.58

33.59 ± 14.83

84.42 ± 125.10

39.70 ± 23.90

40.90 ± 16.04

(DFA): a1

0.903 ± 0.32

0.930 ± 0.17

1.214 ± 0.30

1.05 ± 0.21

0.967 ± 0.06

1.34 ± 0.39

(DFA): a2

0.995 ± 0.14

0.854 ± 0.07

0.600 ± 0.33

0.861 ± 0.35

0.910 ± 0.21

0.693 ± 0.24

ApEn

0.927 ± 0.26

1.186 ± 0.32

0.371 ± 0.39^#

0.779 ± 0.52

1.11 ± 0.34

0.632 ± 0.21^#