Table 2.
Independent predictors for early saphenous vein graft occlusion in the final model
| Characteristics | Coding | Regression coefficients | Odds ratio (95% CI) |
|---|---|---|---|
| Age, y | – | 0.015 | 1.02 (1.01-1.02) |
| Sex | Male | –0.632 | 0.53 (0.46-0.62) |
| Dyslipidemia | – | 0.284 | 1.33 (1.14-1.55) |
| Diabetes mellitus | – | 0.361 | 1.43 (1.25-1.65) |
| Active smoking | – | 0.452 | 1.57 (1.35-1.82) |
| Creatinine, mg/dL | – | 0.546 | 1.73 (1.46-2.04) |
| Harvesting technique | EVH | –0.426 | 0.65 (0.51-0.83) |
| Complex grafts | – | 0.632 | 1.88 (1.58-2.24) |
| Graft in diagonal | – | 0.643 | 1.90 (1.57-2.30) |
| Graft in LCx/OM | – | 0.615 | 1.85 (1.50-2.28) |
| Graft in RCA | – | 0.386 | 1.47 (1.22-1.78) |
| Number of SVG | – | 0.291 | 1.34 (1.12-1.60) |
| Intercept | –4.58 |
CI, Confidence interval; EVH, endoscopic vein harvesting; LCx, left circumflex artery; OM, obtuse marginal; RCA, right coronary artery; SVG, saphenous vein graft.