Table A2.

Linear regression model for length of cardiac intensive care unit (CICU) stay accounting for effects of confounders in those who stayed long enough for two or more sequential organ failure assessment (SOFA) scores to be calculated

Variable	Beta-coefficient (h)	95% CI		P-value
Intercept	28.3	7.9	48.6	<0.01
Sepsis–proven infection	265.8	229.7	301.9	<0.01
Sepsis–suspected infection	135.7	99.1	172.3	<0.01
Logistic EuroSCORE (per point)	2.1	1.1	3.1	<0.01
Cardiopulmonary bypass time (per min)	0.3	0.2	0.5	<0.01