Table 1.
Patient characteristics
| Variable | Overall | Covered group | Revascularized group | P value |
|---|---|---|---|---|
| n (%) | 109 | n = 52 (47.7) | n = 57 (52.3) | |
| Demographic/anthropometric factors | ||||
| Age, years | 56.2 ± 9.6 | 55.5 ± 10.5 | 56.5 ± 9.3 | 0.636 |
| Age >70, n (%) | 10 (9.2) | 6 (11.5) | 4 (7.0) | 0.514 |
| Male, n (%) | 94 (86.2) | 43 (82.7) | 51 (89.5) | 0.305 |
| Body mass index, kg/m2 | 23.8 ± 3.2 | 23.3 ± 2.0 | 24.0 ± 3.7 | 0.345 |
| Medical history, n (%) | ||||
| Hypertension | 93 (85.3) | 43 (82.7) | 50 (87.7) | 0.459 |
| Current smoker | 41 (37.6) | 24 (46.2) | 17 (29.8) | 0.079 |
| Chronic obstructive pulmonary disease | 7 (6.4) | 5 (9.6) | 2 (3.5) | 0.255 |
| Diabetes mellitus | 11 (10.1) | 6 (11.5) | 5 (8.8) | 0.632 |
| Stroke | 4 (3.7) | 3 (5.8) | 1 (1.8) | 0.346 |
| Myocardial infarction | 9 (8.3) | 4 (7.7) | 5 (8.8) | >0.999 |
| Angina | 5 (4.6) | 3 (5.8) | 2 (3.5) | 0.668 |
| Preoperative hemodialysis | 3 (2.8) | 0 | 3 (5.3) | 0.245 |
| Congestive heart failure | 1 (0.9) | 0 | 1 (1.8) | >0.999 |
| Acute preoperative conditions, n (%) | ||||
| Renal failure | 2 (1.8) | 0 | 2 (3.5) | 0.496 |
| Pneumonia | 7 (6.4) | 4 (7.7) | 3 (5.3) | 0.707 |
| Procedural characteristics, n (%) | ||||
| Emergent procedure | 11 (10.1) | 9 (17.3) | 2 (3.5) | 0.017 |
| Traumatic aortic dissection | 1 (0.9) | 1 (1.9) | 0 | 0.477 |
| General anesthesia | 24 (22.0) | 10 (19.2) | 14 (24.6) | 0.502 |
| Operation time (min) | 122.6 ± 37.4 | 96.9 ± 16.3 | 135.3 ± 38.4 | <0.001 |