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Table 1 Demographic and clinical characteristics in patients with and without > 5 PVC/h

From: Biomarkers of cardiovascular injury and stress are associated with increased frequency of ventricular ectopy: a population-based study

  <5 PVC/h n = 452 >5 PVC/h n = 46 OR (95% CI) P
Age (mean, SD) 48 (11) 56 (9) 1.09 (1.05–1.12) <0.001
Male gender (n, %) 243 (54) 29 (63) 1.47 (0.78–2.75) 0.230
Current smoking (n, %) 121 (27) 11 (25) 0.89 (0.44–1.81) 0.742
History of coronary artery disease (n, %) 37 (8) 13 (28) 4.42 (2.14–9.12) <0.001
History of hypertension (n, %) 137 (30) 24 (52) 2.51 (1.36–4.62) 0.003
Diabetes mellitus (n, %) 52 (12) 7 (15) 1.38 (0.59–3.25) 0.460
Creatinine clearance (mean, SD) 124 (37) 119 (32) 1.00 (0.99–1.01) 0.363
Systolic blood pressure, mm Hg (mean, SD) 135 (18) 136 (16) 1.00 (0.99–1.02) 0.673
Body mass index (mean, SD) 28.8 (5.0) 29.2 (4.8) 1.02 (0.96–1.08) 0.590
Cholesterol ratio (mean, SD) 4.5 (2.6) 4.3 (1.3) 0.93 (0.74–1.15) 0.490
Left ventricular hypertrophy (n, %) 27 (6) 7 (15) 2.81 (1.15–6.87) 0.023
AHI (median, Q 1–3) 5.7 (1.5–16.9) 12.4 (6.9–40.6) 1.65 (1.30–2.09) <0.001
  1. AHI apnea-hypopnea index, CI confidence interval, OR odds ratio, PVC premature ventricular complexes, Q quartiles, SD standard deviation