Table 6:
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Multivariate predictors of 30-day mortality (Cox proportional hazards regression)

CharacteristicsUnivariate
Multivariate
HR (95% CI)PHR (95% CI)P
Length of preoperative hospital stay >5 days2.51 (1.32–4.78)0.0053.07 (1.37–6.91)0.007
Body weight <65 kg2.01 (1.01–3.83)0.0343.39 (1.45–7.94)0.005
BMI <22 kg/m22.32 (1.12–4.77)0.023
Body surface area0.18 (0.04–0.93)0.040
Aortic annular diameter ≤20 mm2.94 (1.23–7.07)0.0163.21 (1.16–8.89)0.025
Carotid artery disease >70%2.10 (1.09–4.02)0.026
Liver disease2.70 (0.83–8.78)0.099
Chronic dialysis3.61 (1.11–11.77)0.033
Vital capacity <70%2.49 (1.20–5.17)0.0142.05 (0.91–4.63)0.085
Porcelain aorta2.29 (1.11–4.73)0.025
Cardiomyopathy3.64 (1.12–11.85)0.032
LVEF ≤30%2.91 (0.89–9.47)0.077
MR >1+4.69 (2.27–9.67)<0.0014.16 (1.87–9.28)<0.001
STS score >10%2.38 (1.19–4.77)0.014
Logistic EuroSCORE >20%1.99 (0.88–4.53)0.101
CharacteristicsUnivariate
Multivariate
HR (95% CI)PHR (95% CI)P
Length of preoperative hospital stay >5 days2.51 (1.32–4.78)0.0053.07 (1.37–6.91)0.007
Body weight <65 kg2.01 (1.01–3.83)0.0343.39 (1.45–7.94)0.005
BMI <22 kg/m22.32 (1.12–4.77)0.023
Body surface area0.18 (0.04–0.93)0.040
Aortic annular diameter ≤20 mm2.94 (1.23–7.07)0.0163.21 (1.16–8.89)0.025
Carotid artery disease >70%2.10 (1.09–4.02)0.026
Liver disease2.70 (0.83–8.78)0.099
Chronic dialysis3.61 (1.11–11.77)0.033
Vital capacity <70%2.49 (1.20–5.17)0.0142.05 (0.91–4.63)0.085
Porcelain aorta2.29 (1.11–4.73)0.025
Cardiomyopathy3.64 (1.12–11.85)0.032
LVEF ≤30%2.91 (0.89–9.47)0.077
MR >1+4.69 (2.27–9.67)<0.0014.16 (1.87–9.28)<0.001
STS score >10%2.38 (1.19–4.77)0.014
Logistic EuroSCORE >20%1.99 (0.88–4.53)0.101

HR (95% CI): hazard ratio (95% confidence interval); BMI: body mass index; LVEF: left ventricular ejection fraction; MR: mitral regurgitation.

Table 6:
Open in new tab

Multivariate predictors of 30-day mortality (Cox proportional hazards regression)

CharacteristicsUnivariate
Multivariate
HR (95% CI)PHR (95% CI)P
Length of preoperative hospital stay >5 days2.51 (1.32–4.78)0.0053.07 (1.37–6.91)0.007
Body weight <65 kg2.01 (1.01–3.83)0.0343.39 (1.45–7.94)0.005
BMI <22 kg/m22.32 (1.12–4.77)0.023
Body surface area0.18 (0.04–0.93)0.040
Aortic annular diameter ≤20 mm2.94 (1.23–7.07)0.0163.21 (1.16–8.89)0.025
Carotid artery disease >70%2.10 (1.09–4.02)0.026
Liver disease2.70 (0.83–8.78)0.099
Chronic dialysis3.61 (1.11–11.77)0.033
Vital capacity <70%2.49 (1.20–5.17)0.0142.05 (0.91–4.63)0.085
Porcelain aorta2.29 (1.11–4.73)0.025
Cardiomyopathy3.64 (1.12–11.85)0.032
LVEF ≤30%2.91 (0.89–9.47)0.077
MR >1+4.69 (2.27–9.67)<0.0014.16 (1.87–9.28)<0.001
STS score >10%2.38 (1.19–4.77)0.014
Logistic EuroSCORE >20%1.99 (0.88–4.53)0.101
CharacteristicsUnivariate
Multivariate
HR (95% CI)PHR (95% CI)P
Length of preoperative hospital stay >5 days2.51 (1.32–4.78)0.0053.07 (1.37–6.91)0.007
Body weight <65 kg2.01 (1.01–3.83)0.0343.39 (1.45–7.94)0.005
BMI <22 kg/m22.32 (1.12–4.77)0.023
Body surface area0.18 (0.04–0.93)0.040
Aortic annular diameter ≤20 mm2.94 (1.23–7.07)0.0163.21 (1.16–8.89)0.025
Carotid artery disease >70%2.10 (1.09–4.02)0.026
Liver disease2.70 (0.83–8.78)0.099
Chronic dialysis3.61 (1.11–11.77)0.033
Vital capacity <70%2.49 (1.20–5.17)0.0142.05 (0.91–4.63)0.085
Porcelain aorta2.29 (1.11–4.73)0.025
Cardiomyopathy3.64 (1.12–11.85)0.032
LVEF ≤30%2.91 (0.89–9.47)0.077
MR >1+4.69 (2.27–9.67)<0.0014.16 (1.87–9.28)<0.001
STS score >10%2.38 (1.19–4.77)0.014
Logistic EuroSCORE >20%1.99 (0.88–4.53)0.101

HR (95% CI): hazard ratio (95% confidence interval); BMI: body mass index; LVEF: left ventricular ejection fraction; MR: mitral regurgitation.

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