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Table 5 Comparison of heart rate variability between boy and girl in research group

From: Ambulatory blood pressure monitoring in children suffering from orthostatic hypertension

Indicator

Boy group

Girl group

t

P

Age (year)

12.01 ± 0.31

12.89 ± 0.28

1.891

0.089

SDNN (ms)

155.30 ± 3.21

142.58 ± 3.48

3.008

0.003

SDANN (ms)

148.21 ± 3.86

139.11 ± 4.50

0.956

0.451

rMSSD (ms)

79.55 ± 3.85

78.21 ± 3.69

0.781

0.487

pNN50 (%)

31.25 ± 1.26

29.91 ± 1.69

1.112

0.361

CV

0.11 ± 0.00

0.10 ± 0.00

1.460

0.189

TP

11,231.12 ± 445.21

1023.15 ± 397.13

3.921

0.002

ULF

6541.20 ± 451.23

4895.27 ± 401.23

2.361

0.002

VLF

3789.40 ± 230.78

2891.47 ± 309.87

3.561

0.001