Table 3 Waking and sleeping high-frequency components of RR interval variability and low-frequency/high-frequency ratios

From: Loss of nocturnal decline of blood pressure in non-diabetic patients with nephrotic syndrome in the early and middle stages of chronic kidney disease

Parameter

Control Group (n=24)

Nephrotic syndrome group (n=21)

P

24-h

 HF component

23.1±15.1

18.5±14.5

0.329

 LF/HF ratio

2.11±0.47

1.95±0.58

0.321

Waking

   

 HF component

20.2±13.6

19.4±19.0

0.882

 LF/HF ratio

2.30±0.58

2.08±0.58

0.235

Sleeping

   

 HF component

25.5±10.9

22.4±19.6

0.533

 LF/HF ratio

1.79±0.49

1.65±0.64

0.463

Sleeping/waking

   

 HF component

1.47±0.49

1.47±0.63

0.987

 LF/HF ratio

0.79±0.27

0.77±0.18

0.793

  1. Abbreviations: HF, high frequency; LF, low frequency.
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