Table 3

HRs associated with long-term mortality from multiple Cox proportional hazards regression model fitted to the complete unmatched dataset

HR95% CIp Value
Biological prosthesis1.05(0.93 to 1.19)0.434
Age>75 years1.67(1.47 to 1.89)<0.001
 Underweight (BMI<18.5)1.46(1.13 to 1.90)0.004
 Overweight (25≤BMI<30)0.83(0.72 to 0.94)0.005
 Obese (BMI≥30)1.00(0.84 to 1.18)0.956
IV nitrates1.12(0.72 to 1.74)0.615
Dyspnoea NYHA class IV1.31(1.11 to 1.55)0.002
Neurological dysfunction1.10(0.81 to 1.49)0.557
History of hypertension1.07(0.95 to 1.21)0.254
Pulmonary hypertension1.07(0.91 to 1.27)0.396
Previous MI1.09(0.91 to 1.30)0.344
Creatinine>200 μmol/L1.88(1.39 to 2.54)<0.001
Chronic pulmonary disease1.45(1.25 to 1.68)<0.001
Extracardiac arteriopathy1.47(1.18 to 1.82)0.001
Left ventricular function
 Fair (LVEF 30–50%)1.20(1.05 to 1.36)0.006
 Poor (LVEF<30%)1.73(1.35 to 2.23)<0.001
Urgent1.31(1.13 to 1.52)<0.001
Critical preoperative state1.05(0.76 to 1.45)0.759
TV repair1.37(1.13 to 1.65)0.001
CABG1.18(1.03 to 1.36)0.015
  • Angina CCS class and diabetes were used as stratification variables for the baseline hazard funtion.

  • BMI, Body Mass Index; CABG, coronary artery bypass graft; IV, intravenous; LVEF, left ventricular ejection fraction NYHA, New York Heart Association; TV, tricuspid valve.