Table 1.
Clinical characteristic according to age: non-old group (< 65 y), young-old-group (65-74 y) and of the middle-old group (75-84 y)
| Mean (sd2) | Non-Old (n = 141) | Young-Old (n = 128) | Middle-Old (n = 57) | P value | |
|---|---|---|---|---|---|
| Age | 52.99 (8.57) | 69.21 (2.85) | 78.49 (2.61) | NA1 | |
| Body Mass Index | 28.34 (5.29) | 29.12 (5.97) | 28.29 (4.89) | 0.79 | |
| Ergometry VO2 Max: ml/kg/min | 26,09 (9,55) | 21.30 (9.91) | 14.42 (5.55) | <0.01 | |
| Ergospirometry VO2 Max: ml/kg/min | 20,47 (6,33) | 17.18 (4.76) | 14.02 (6.06) | <0.01 | |
| Prevalence at baseline (%) | |||||
| Gender Male | 77 (54.6%) | 54 (57.8%) | 29 (50.9%) | 0.66 | |
| Heart Failure | 30 (21.3%) | 33 (25.8%) | 13 (22.8%) | 0.64 | |
| Coronary Artery Disease | 111 (78,7%) | 98 (76.6%) | 41 (71.9%) | 0.32 | |
| Acute Myocardial Infarction | 68 (48,2%) | 44 (34.4%) | 20 (35.1%) | 0.03 | |
| CABG3 | 36 (25.5%) | 40 (31.3%) | 12 (21.1%) | 0.82 | |
| PTCA4 with stent | 46 (32.9%) | 34 (26.6%) | 22 (38.6%) | 0.73 | |
| Diabetes | 34 (24.1%) | 47 (36.7%) | 22 (38.6%) | 0.01 | |
| Hypertension | 98 (69.5%) | 106 (82.8%) | 49 (86%) | <0.01 | |
| Dyslipidemia | 80 (56.7%) | 84 (65.6%) | 33 (57.9%) | 0.56 | |
| Smoker | Current | 22 (15.7%) | 19 (14.8%) | 3 (2.5%) | 0.05 |
| Ex-smoker | 57 (40.7%) | 40 (31.3%) | 21 (36.8%) | ||
| Non-smoker | 61 (43.6%) | 69 (53.9%) | 34 (59.6%) | ||
y: years; 1: not applicable; 2: standard deviation; 3: coronary artery bypass grafting; 4: percutaneous transluminal coronary angioplasty.