Table 3. The results of Cox proportional-hazards model (univariate and multivariate) for analyzed predictor parameters.
| Parameters | Univariate model | Multivariate model | |||
|---|---|---|---|---|---|
| HR | 95% CI | HR | 95% CI | ||
| All patients | |||||
| Gender | |||||
| F | 1 ref. | – | |||
| M | 4.27 | (2.88–6.30) | 4.62 | (3.12–6.83) | |
| BSA | 1.54 | (0.94–2.55) | |||
| LAD | 1.56 | (1.10–2.22) | |||
| RCA | 0.85 | (0.17–4.06) | |||
| Cx | 1.11 | (0.63–1.94) | |||
| Number of applied grafts | 0.84 | (0.74–0.93) | 0.77 | (0.69–0.86) | |
| Female group | |||||
| BSA | 0.34 | (0.03–4.61) | |||
| LAD | 3.74 | (1.02–13.64) | 4.58 | (1.26–16.55) | |
| RCA | 30.77 | (0.01–9,994.3) | |||
| Cx | 2.03 | (0.18–23.19) | |||
| Number of applied grafts | 0.56 | (0.37–0.86) | 0.51 | (0.33–0.80) | |
| Male group | |||||
| BSA | 0.45 | (0.25–0.81) | |||
| LAD | 1.04 | (0.72–1.52) | |||
| RCA | 0.67 | (0.12–3.57) | |||
| Cx | 0.91 | (0.50–1.66) | |||
| Number of applied grafts | 0.80 | (0.71–0.90) | 0.79 | (0.71–0.87) | |
HR, hazard ratio; CI, confidence interval; F, female; M, male; BSA, body surface area; LAD, left descending artery; RCA, right coronary artery; Cx, circumflex artery.