Table 2.
Patient Characteristics Expressed as Mean (95% Confidence Intervals)
| Variable | High CRF, n = 28 | Mod CRF, n = 32 | Low CRF, n = 10 | Partial eta squared | p value |
|---|---|---|---|---|---|
| Sex (% male) | 26 (93) | 27 (84) | 7 (70) | 0.199 | |
| Age (years) | 56.3 (53.1, 59.4)*✝ | 67.2 (64.3, 70.2)✝ | 69.3 (64.1, 74.5)* | 0.326 | < 0.001** |
| BMI (kg.m−2) | 29.0 (27.5, 30.5) | 28.9 (27.5, 30.3) | 30.9 (28.3, 33.4) | 0.030 | 0.363 |
| Waist circumference (cm) | 101.3 (97.3, 105.4) | 102.6 (98.7, 106.4) | 108.1 (101.4, 114.9) | 0.043 | 0.235 |
| Waist to hip ratio (cm) | 0.96 (0.93, 0.98) | 0.98 (0.95, 1.00) | 0.96 (0.92, 1.01) | 0.018 | 0.553 |
| Android fat % | 45.0 (42.0, 48.0) | 48.0 (45.2, 50.8) | 47.9 (42.9, 52.9) | 0.034 | 0.316 |
| Total fat % | 35.9 (32.2, 39.6) | 37.3 (33.8, 40.7) | 41.1 (34.8, 47.3) | 0.029 | 0.371 |
| Lean body mass (Kg) | 55.0 (51.9, 58.1)*✝ | 50.2 (47.3, 53.1)✝ | 45.3 (40.1, 50.5)* | 0.145 | 0.005** |
| Android/gynoid ratio | 1.31 (1.24, 1.38)* | 1.26 (1.20, 1.32)x | 1.06 (0.95, 1.17)*x | 0.182 | 0.001** |
| LVEF (%) | 56.6 (54.0, 59.2) | 54.3 (51.8, 56.6) | 52.8 (48.5, 57.1) | 0.043 | 0.232 |
| Resting HR (bpm) | 56 (52, 69)* | 59 (56, 63)x | 67 (61, 74)*x | 0.118 | 0.015** |
| Resting SBP (mmHg) | 130 (122, 137) | 124 (117, 131) | 138 (125, 150) | 0.056 | 0.147 |
| Resting DBP (mmHg) | 85 (80, 89) | 82 (77, 86) | 73 (65, 81) | 0.083 | 0.055 |
| FEV1/FVC ratio | 0.78 (0.75, 0.81) | 0.75 (0.72, 0.78) | 0.75 (0.70, 0.80) | 0.042 | 0.237 |
| Presenting diagnosis | |||||
| MI (%) | 17 (61) | 15 (47) | 6 (60) | 0.642 | |
| PCI (%) | 8 (29) | 11 (34) | 1 (10) | ||
| Angina (%) | 2 (7) | 3 (9) | 2 (20) | ||
| CABG (%) | 1 (4) | 3 (9) | 1 (10) | ||
| Past medical history | |||||
| Previous MI (%) | 6 (21) | 6 (19) | 2 (20) | 0.186 | |
| Type II diabetes (%) | 3 (12) | 6 (19) | 5 (50) | 0.028** | |
| Atrial fibrillation (%) | 0 (0) | 2 (6) | 1 (10) | 0.269 | |
| Smoker (%) | 1 (4) | 1 (3) | 2 (20) | 0.238 | |
| Ex-smoker (%) | 16 (57) | 16 (50) | 7 (70) | ||
Mod moderate, BMI body mass index, LVEF left ventricular ejection fraction, HR heart rate, SBP systolic blood pressure, DBP diastolic blood pressure, FEV1/FVC ratio of forced expiratory volume in 1 s to forced vital capacity, MI myocardial infarction, PCI percutaneous coronary intervention, CABG coronary artery bypass graft
**Significant group effect
*Significant difference between high CRF and low CRF
✝Significant difference between high CRF and moderate CRF
xSignificant difference between mod CRF and low CRF