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Table 1 Demographic and clinical characteristics of study population and comparisons between subgroups

From: Risk factors associated with brachial–ankle pulse wave velocity among peritoneal dialysis patients in Macao

Variables Total Low baPWV Group High baPWV Group p Value
(n=96) (n=56) (n=40)
Female Gender 50.0% 37.5% 67.5% 0.004
Age (years) 63.92 ± 14.24 58.34 ± 14.13 71.73 ± 10.26 <0.001
CCI (score) 5.0 (2.0, 9.0) 4.0 (2.0, 8.0) 5.0 (3.0, 9.0) 0.054
PD duration (Months) 44.47 ± 27.89 40.86 ± 26.12 49.53 ± 29.80 0.134
SBP (mmHg) 135.75 ± 20.13 137.07 ± 20.58 133.90 ± 19.59 0.450
DBP (mmHg) 76.21 ± 14.58 78.39 ± 13.32 73.15 ± 15.84 0.082
MAP (mmHg) 96.06 ± 14.81 97.95 ± 13.95 93.40 ± 15.73 0.138
PP (mmHg) 59.54 ± 16.07 58.68 ± 17.08 60.75 ± 14.68 0.536
BMI (kg/m2) 23.44 ± 3.65 23.26 ± 3.47 23.70 ± 3.92 0.559
Dose of EPO (U/kg.week) 136.95 ± 98.18 137.35 ± 90.53 136.39 ± 109.18 0.963
RAS inhibitor use 62.5% 67.9% 55.0% 0.200
β-Blocker use 13.5% 14.3% 12.5% 0.801
Hyperlipidemia 40.6% 39.3% 42.5% 0.752
Previous CVD history 26.0% 16.1% 40.0% 0.008
APD use 33.3% 41.1% 22.5% 0.057
Low-GDP PDF use 36.5% 33.9% 40.0% 0.542
Diabetes mellitus 34.4% 32.1% 37.5% 0.586
baPWV (m/s) 21.20 ± 5.63 17.49 ± 2.41 26.39 ± 4.66 <0.001
  1. Data were divided into two groups according to mean baPWV value.
  2. Abbreviations: baPWV, brachial-ankle pulse wave velocity; CCI, Charlson comorbidity index; PD, peritoneal dislysis; SBP, systolic blood pressure; DBP, diastolic blood pressure; MAP, mean arterial pressure; PP, pulse pressure; BMI, body mass index; EPO, erythropoietin; RAS, renin-angiotensin system; APD, automatic peritoneal dialysis; GDP, glucose degradation product; PDF, peritoneal dialysis fluid.