Table 5 The change of HRV parameters between long and short interdialytic intervals, compared between DM and non-DM patients.

From: Effects of interdialytic interval on heart rate variability in chronic hemodialysis patients: a cross-sectional study

∆ HRV parameters

DM patients (N = 82)

Non-DM patients (N = 81)

P value*

∆ SDNN (ms)

 + 4.0 ± 17.1

−3.5 ± 20.2

0.006

∆ SDANN (ms)

 + 3.6 ± 18.3

−2.3 ± 18.3

0.075

∆ ASDNN (ms)

 + 2.1 ± 8.2

−8.0 ± 54.9

0.003

∆ rMSSD (ms)

 + 4.2 ± 28.9

−2.1 ± 14.7

0.125

∆ pNN50 (%)

 + 0.8 ± 7.1

−1.2 ± 10.5

0.100

∆ VLF (ms2)

 + 1.0 ± 5.1

−0.7 ± 7.7

0.040

∆ LF (ms2)

 + 0.7 ± 4.6

−0.6 ± 9.0

0.040

∆ LF normalized unit (n.u.)

 + 1.1 ± 7.8

 + 0.1 ± 8.6

0.418

∆ HF (ms2)

 + 0.3 ± 3.9

−0.6 ± 6.0

0.189

∆ HF normalized unit (n.u.)

−1.1 ± 7.8

−0.1 ± 8.6

0.418

∆ LF/HF ratio

0 ± 0.4

0 ± 0.4

0.582

  1. ∆ = absolute change of HRV parameters between long and short interdialytic intervals, DM  diabetes mellitus, HRV heart rate variability.
  2. *P value from the comparison between DM and non-DM patients using unpaired t test.
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