Skip to main content

Table 1 Baseline characteristics of subjects

From: Diabetes, glucose tolerance, and the risk of sudden cardiac death

  Normal (n = 6706) IGT (n = 3806) Diabetes (n = 82) P
Male, % 53.3 51.4 57.3 0.142
Age, years 42.9 (8.2, 42.7–43.1) 45.7 (8.5, 45.4–45.9) 50.1 (7.6, 48.5–51.8) <0.001
BMI, kg/m2 25.6 (3.6, 25.5–25.7) 26.3 (4.1, 26.2–26.5) 28.5 (5.3, 27.3–29.6) <0.001
Systolic blood pressure, mmHg 134.8 (19.8, 134.3–135.2) 144.6 (22.7, 143.8–145.3) 148.4 (25.6, 142.8–154.0) <0.001
Diastolic blood pressure, mmHg 80.6 (11.8, 80.4–80.9) 84.7 (13.0, 84.3–85.2) 87.9 (13.3, 84.9–90.8) <0.001
Cholesterol, mmol/l 6.4 (1.3, 6.4–6.5) 6.6 (1.4, 6.5–6.6) 6.9 (1.5, 6.6–7.2) <0.001
Smoker, % 36.0 30.6 30.5 <0.001
Cardiac disease, % 6.9 9.6 23.2 <0.001
Heart rate, bpm 73.6 (14.1, 73.2–73.9) 78.8 (16.5, 78.3–79.3) 79.3 (15.8, 75.8–82.7) <0.001
QRS duration, ms 86.9 (8.4, 86.7–87.1) 87.1 (8.6, 86.8–87.3) 88.5 (11.9, 85.9–91.1) 0.163
QTc, ms 404.6 (26.9, 403.9–405.2) 414.6 (27.5, 413.7–415.4) 415.4 (31.2, 408.5–422.2) <0.001
Left ventricular hypertrophya, % 30.5 33.2 25.6 0.008
Electrocardiographic signs of myocardial infarction, % 0.4 0.7 4.9 <0.001
Electrocardiographic signs of coronary artery disease, % 8.5 11.9 23.2 <0.001
  1. aAssessed with Sokolow-Lyon electrocardiographic criterion