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

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