Skip to main content

Table 4 Differences of HRV parameters (time-domain method) between type 1 diabetic patients with and without CAN

From: Can coefficient of variation of time-domain analysis be valuable for detecting cardiovascular autonomic neuropathy in young patients with type 1 diabetes: a case control study

Variable T1DM with CAN T1DM without CAN p
Supine position
 R-R max / R-R min 1.12 ± 0.07 1.28 ± 0.18 <0.001
 SDNN (ms) 16.69 ± 8.50 45.16 ± 25.92 <0.001
 pNN50 (%) 0.95 ± 0.65 20.10 ± 2.56 <0.001
 CV (%) 2.27 ± 1.07 4.63 ± 2.38 <0.0001
Deep breathing
 R-R max / R-R min 1.1 ± 0.05 1.36 ± 0.24 <0.001
 SDNN (ms) 31.87 ± 13.68 41.13 ± 16.24 0.02
 pNN50 (%) 1.60 ± 0.87 26.63 ± 2.38 <0.001
 CV (%) 2.09 ± 0.98 6.72 ± 4.27 <0.0001
Standing position
 R-R max / R-R min 1.14 ± 0.18 1.38 ± 0.27 <0.001
 SDNN (ms) 24.85 ± 5.19 56.12 ± 4.44 <0.001
 pNN50 (%) 0.71 ± 0.50 12.18 ± 6.59 <0.001
 CV (%) 2.59 ± 1.65 6.37 ± 4.05 <0.0001
  1. Note: Data are means (standard deviation)