Table 1.
Baseline characteristics of subgroups of 1899 apparently healthy middle aged men
| Group A (n = 1831) | Group B (n = 68) | p Value, A v B | Group B | p Value, A v D | ||
| Group C (no event, n = 35) | Group D (event, n = 33) | |||||
| Age (years) | 49.6 (5.4) | 50.7 (5.9) | 0.10 | 49.5 (5.6) | 52.0 (6.0) | * |
| Smokers (%) | 44% | 35% | 0.17 | 42% | 30% | 0.45 |
| Height (cm) | 176.8 (6.2) | 175.9 (6.9) | 0.22 | 176.1 (7.0) | 175.7 (7.0) | 0.28 |
| Weight (kg) | 76.7 (9.8) | 79.8 (11.0) | ** | 78.6 (11.9) | 81.1 (10.0) | * |
| Body mass index (kg/m2) | 24.5 (2.7) | 25.8 (2.9) | *** | 25.3 (3.0) | 26.2 (2.7) | *** |
| Resting SBP (mm Hg) | 129.7 (17.6) | 131.5 (18.6) | 0.40 | 130.8 (16.9) | 132.2 (20.4) | 0.41 |
| Resting DBP (mm Hg) | 87.0 (10.4) | 88.1 (10.2) | 0.41 | 88.6 (11.0) | 87.5 (9.7) | 0.79 |
| Resting HR (beats/min) | 61.4 (9.7) | 62.1 (9.7) | 0.55 | 62.4 (10.8) | 61.7 (8.5) | 0.83 |
| MHR (beats/min) | 163.4 (13.3) | 159.4 (12.5) | * | 161.5 (12.7) | 157.3 (11.7) | *** |
| ESR (mm/h) | 7.3 (6.7) | 6.9 (5.5) | 0.60 | 6.0 (5.3) | 7.8 (5.7) | 0.68 |
| Fasting blood glucose (mmol/l) | 4.4 (0.54) | 4.5 (0.88) | 0.35 | 4.4 (0.40) | 4.6 (1.20) | 0.06 |
| Cholesterol (mmol/l) | 6.6 (1.2) | 7.1 (1.2) | ** | 6.8 (1.2) | 7.4 (1.2) | *** |
| Triglycerides (mmol/l) | 1.3 (0.7) | 1.4 (0.6) | 0.17 | 1.3 (0.5) | 1.5 (0.8) | 0.08 |
| Physical fitness (kJ/kg) | 1.97 (0.79) | 1,68 (0.57) | *** | 1.81 (0.63) | 1.54 (0.47) | *** |
| FEV1 (l) | 3.46 (0.74) | 3.44 (0.78) | 0.80 | 3.47 (0.84) | 3.40 (0.71) | 0.65 |
Group A, healthy men with no symptoms of angina at baseline; group B, men with possible angina at baseline (B). Group B is further subgrouped in subjects without (group C) and with (group D) at least one coronary heart disease event during 26 years of follow up.
*p<0.05; **p<0.01; ***p<0.001.
DBP, diastolic blood pressure; ESR, erythrocyte sedimentation rate; FEV1, forced expiratory volume in one second; HR, heart rate; MHR, maximum exercise heart rate; SBP, systolic blood pressure.