Table 1. Preoperative patient characteristics.
| Variablea | Men (n = 172) | Women (n = 79) | p-Value |
|---|---|---|---|
| Age (y) | 58 (19–83) | 67 (20–87) | < 0.001 |
| Diabetes | 14 (8%) | 3 (4%) | 0.216 |
| Hypertension | 136 (80%) | 62 (79%) | 0.993 |
| Ejection fraction | 55 (20–70) | 55 (15–75) | 0.153 |
| COPD | 20 (12%) | 11 (14%) | 0.608 |
| Creatinine | 1.2 (0.5–12.5) | 0.9 (0.4–3.8) | < 0.001 |
| Hemodynamic instability | 21 (13%) | 9 (12%) | 0.783 |
| Arrhythmias | 19 (11%) | 13 (16%) | 0.233 |
| NYHA class | 0.604 | ||
| I | 11 (9%) | 9 (15%) | − |
| II | 8 (6%) | 4 (7%) | − |
| III | 25 (20%) | 10 (17%) | − |
| IV | 81 (65%) | 36 (61%) | − |
| History of cerebrovascular accident | 29 (18%) | 14 (19%) | 0.835 |
| Number of diseased vessels | 0.820 | ||
| 0 | 134 (84%) | 63 (85%) | − |
| 1 | 12 (8%) | 4 (5%) | − |
| 2 | 6 (4%) | 2 (3%) | − |
| 3 | 7 (4%) | 5 (7%) | − |
| EF < 40 | 10 (11%) | 4 (10%) | 1.000 |
Abbreviations: COPD, chronic obstructive pulmonary disease; EF, ejection fraction; NYHA, New York heart association.
a
Continuous data are shown as median (range) and categoric data are shown as n (%).