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Table 1 Predictors of 30-day- and 6-months-mortality and survival time. Apparently valve size is a risk factor in the first step of the analysis. However, after adjustment for gender, age, BSA, BMI and body size, valve size disappeared (p < 0.05)
| Models for | ||||||
|---|---|---|---|---|---|---|
| Preoperative risk factors | 30-day mortality | 6-months mortality | Survival time | |||
| OR | 95% CI | OR | 95% CI | HR | 95% CI | |
| Myocardial decompensation | 2.9 | 1.1–7.2 | ||||
| Diabetes mellitus | 2.7 | 1.3–5.5 | 2.0 | 1.3–3.0 | ||
| Atrial fibrillation | 2.3 | 1.1–5.2 | 2.8 | 1.8–4.4 | ||
| Peripheral vascular disease | 2.2 | 1.2–4.0 | ||||
| Antithrombine III (%) | 0.97 | 0.94–0.99 | 0.96 | 0.94–0.99 | ||
| Urea concentration (mg/dl) | 1.02 | 1.01–1.03 | 1.02 | 1.011.02 | ||
| Valve size | p = 0.009 | p = 0.05 | p = 0.02 | |||
| After Variable transformation: | ||||||
| Female and age > 74 years | 4.0 | 1.4–11.0 | ||||
| BSA < 1.78 m2 | 3.0 | 1.51–6.07 | ||||
| Female and age > 80 years | 1.8 | 1.03–2.94 | ||||
| BMI < 24 and body size < 165 cm | 1.7 | 1.02–2.93 | ||||
| Valve size | p = 0.13 | p = 0.47 | p = 0.22 | |||
