Table 3 Volunteer’s cardiovascular autonomic parameters evaluated at rest and supine positions

 RRi

784 ± 23

793 ± 13

810 ± 25

953 ± 74

F_(1,99):1.1

0.300

F_(1,99):0.04

0.840

F_(1,99):0.06

0.813

 Variance, ms²

2209 ± 1219

1303 ± 697

2199 ± 1657

829 ± 493

F_(1,99):1.2

0.279

F_(1,99):26.1

< 0.001

F_(1,99):1.08

0.300

 LF, ms²

643 ± 371

344 ± 206

885 ± 866

305 ± 215

F_(1,99):1.05

0.308

F_(1,99):19.7

< 0.001

F_(1,99):2.01

0.159

 HF, ms²

1044 ± 801

474 ± 320

635 ± 726

173 ± 148

F_(1,99):9.6

0.003

F_(1,99):20.7

< 0.001

F_(1,99):0.21

0.649

 LF, nu

43 ± 17

44 ± 16

61 ± 21

64 ± 16

F_(1,99):30.2

< 0.001

F_(1,99):0.4

0.512

F_(1,99):0.12

0.736

 HF, nu

57 ± 17

56 ± 16

39 ± 21

36 ± 16

F_(1,99):30.2

< 0.001

F_(1,99):0.4

0.512

F_(1,99):0.12

0.736

 LF/HF ratio

0.91 ± 0.6

0.99 ± 0.9

2.35 ± 2

2.52 ± 1.9

F_(1,99):24.1

< 0.001

F_(1,99):0.2

0.669

F_(1,99):0.02

0.900

 Variance, mmHg²

24 ± 18

25 ± 9.52

19 ± 12

27 ± 18.7

F_(1,99):0.3

0.581

F_(1,99):2.2

0.139

F_(1,99):1,28

0.260

 LF, mmHg²

7 ± 6.2

6 ± 2.7

6 ± 4.8

8 ± 5.8

F_(1,99):0.45

0.496

F_(1,99):0.09

0.758

F_(1,99):2.1

0.150

 Baroreflex sequences

87 ± 20

98 ± 14

85 ± 16

76 ± 48

F_(1,99):4.5

0.036

F_(1,99):0.02

0.895

F_(1,99):3.26

0.074

 BEI

0.73 ± 0.16

0.61 ± 0.13

0.64 ± 0.14

0.47 ± 0.19

F_(1,99):14.1

< 0.001

F_(1,99):21.3

< 0.001

F_(1,99):0.82

0.366

 Gain, ms/mmHg

14.5 ± 5.7

8.7 ± 4.1

13.1 ± 9.7

6.6 ± 2.7

F_(1,99):2.1

0.153

F_(1,99):24.7

< 0.001

F_(1,99):0.10

0.749

 Up, ms/mmHg

13.8 ± 5.9

8.4 ± 3.9

12.7 ± 10.1

6.5 ± 3

F_(1,99):1.4

0.245

F_(1,99):21.1

< 0.001

F_(1,99):0.10

0.752

 Down, ms/mmHg

14.8 ± 5.6

9.1 ± 4.5

13.4 ± 0.6

6.7 ± 2.5

F_(1,99):2.5

0.120

F_(1,99):25.6

< 0.001

F_(1,99):0.18

0.673