ORs associated with risk of in-hospital mortality from multiple logistic regression model fitted to the complete unmatched dataset
| OR | 95% CI | p Value | |
|---|---|---|---|
| Biological prosthesis | 1.09 | (0.82 to 1.45) | 0.555 |
| Age>75 years | 1.53 | (1.15 to 2.03) | 0.003 |
| Female | 1.40 | (1.05 to 1.87) | 0.021 |
| BMI | |||
| Underweight (BMI<18.5) | 2.11 | (1.21 to 3.54) | 0.006 |
| Overweight (25≤BMI<30) | 0.69 | (0.50 to 0.94) | 0.021 |
| Obese (BMI≥30) | 0.76 | (0.51 to 1.10) | 0.154 |
| Angina (CCS grade) | |||
| Class I | 1.04 | (0.69 to 1.52) | 0.864 |
| Class II | 1.12 | (0.73 to 1.68) | 0.606 |
| Class III | 1.55 | (0.97 to 2.41) | 0.060 |
| Class IV | 2.53 | (1.38 to 4.52) | 0.002 |
| IV nitrates | 1.74 | (0.79 to 3.57) | 0.145 |
| Dyspnoea (NYHA grade) | |||
| Class II | 1.09 | (0.60 to 2.12) | 0.786 |
| Class III | 1.71 | (0.99 to 3.19) | 0.072 |
| Class IV | 1.93 | (1.04 to 3.79) | 0.045 |
| History of hypertension | 1.22 | (0.93 to 1.60) | 0.157 |
| Pulmonary hypertension | 1.33 | (0.93 to 1.86) | 0.113 |
| Previous MI | 1.31 | (0.90 to 1.89) | 0.157 |
| Creatinine>200 μmol/L | 3.06 | (1.72 to 5.23) | <0.001 |
| Chronic pulmonary disease | 1.35 | (0.96 to 1.86) | 0.075 |
| Left ventricular function | |||
| Fair (LVEF 30–50%) | 1.09 | (0.81 to 1.45) | 0.586 |
| Poor (LVEF<30%) | 1.62 | (0.93 to 2.70) | 0.074 |
| Urgent | 1.57 | (1.14 to 2.16) | 0.005 |
| Critical preoperative state | 1.16 | (0.61 to 2.09) | 0.636 |
| TV repair | 1.77 | (1.20 to 2.54) | 0.003 |
| CABG | 1.44 | (1.05 to 1.97) | 0.023 |
BMI, Body Mass Index; CABG, coronary artery bypass graft.; CCS, Canadian Cardiovascular Society; IV, intravenous; LVEF, left ventricular ejection fraction; MI, myocardial infarction; NYHA, New York Heart Association; TV, tricuspid valve.