Table 1. Baseline Clinical Characteristics according to ODI.
| ODI≤5 | ODI>5 | ||
| Characteristics | (n = 64) | (n = 116) | P value |
| Age (years) | 56±11 | 59±9 | 0.03 |
| Female gender | 5 (8%) | 25 (22%) | 0.02 |
| Previous infarction | 10 (16%) | 25 (22%) | 0.34 |
| Body mass index (Kg/m2) | 26±3 | 30±6 | <0.0001 |
| Lipid profile | |||
| Total cholesterol (mg/dl) | 181±49 | 180±43 | 0.90 |
| LDL cholesterol (mg/dl) | 109±40 | 111±38 | 0.48 |
| Triglycerides (mg/dl) | 171±106 | 157±96 | 0.13 |
| HDL cholesterol (mg/dl) | 38±9 | 44±25 | 0.77 |
| Hypertension | 24 (38%) | 62 (53%) | 0.04 |
| Current Smoking | 22 (34%) | 29 (25%) | 0.18 |
| Diabetes | 13 (20%) | 35 (30%) | 0.15 |
| Creatinine (mg/dl) | 1.0±0.3 | 1.0±0.3 | 0.51 |
| Killip Class II-IV | 6 (10%) | 16 (14%) | 0.38 |
| Anterior infarction | 28 (44%) | 44 (38%) | 0.45 |
| ST-elevation infarction | 42 (66%) | 66 (57%) | 0.25 |
| Medical therapy | |||
| Aspirin | 62 (97%) | 115 (99%) | 0.26 |
| Clopidogrel | 57 (89%) | 106 (91%) | 0.61 |
| Beta blockers | 55 (86%) | 103 (89%) | 0.58 |
| ACE inhibitors/ARBs | 82 (81%) | 63 (80%) | 0.81 |
| Statins | 61 (95%) | 109 (94%) | 0.71 |
| Primary angioplasty | 28 (44%) | 45 (39%) | 0.52 |
| Coronary revascularization | 47 (84%) | 86 (85%) | 0.84 |
| Sleep parameters | |||
| Apnea-hypopnea index (events/h) | 8±5 | 32±21 | <0.0001 |
| ODI (events/h) | 2±2 | 21±18 | <0.0001 |
| Minimal O2 Saturation (%) | 89±4 | 83±7 | <0.0001 |
Data are mean ± SD or number (%). Continuous variables were compared using unpaired t test. Categorical variables were compared by the χ2 statistic.
ACE = Angiotensin converting enzyme; ARBs = Angiotensin II receptor blockers.