Table 2. Results of Conditional Logistic Regression Analyses of Factors Influencing Outcomes.

Factor	Odds Ratio	95% CI	P Value
APACHE II	1.17	0.02 – 4.38	0.36
EuroSCORE II	1.13	1.02 – 1.26	0.014
Operation time	1	0.99 – 1.01	0.10
PMI	0.25	0.14 – 0.43	< 0.01
Updated CCI	1.3	0.99 – 1.71	0.06

Abbreviations: APACHE II: Acute Physiology and Chronic Health Evaluation II score, EuroSCORE, EURO score II: European System for Cardiac Operative Risk Evaluation II; PMI, psoas muscle index; CCI, Charlson comorbidity index.