Preexisting Atrial Fibrillation Associated with Higher Mortality in Patients with Methicillin-Resistant Staphylococcus aureus Bloodstream Infections: Analysis of the National Inpatient Sample

Table 3

Multivariable cox proportional hazards regression analysis for predictors of in-hospital mortality among MRSA-BSI patients with AF.

Variables	aHR	Lower CI	Upper CI	value
Age (ref =<65)	1.03	1.01	1.06	0.002
Protein calorie malnutrition	2.6	1.35	4.86	0.004
Charlson comorbidity index ≥6 ^†(ref: =<5)	2.3	1.25	4.16	0.007
End-stage liver disease	2.5	1.4	4.7	0.003
Acute coronary syndrome	3.5	1.43	8.68	0.006
STEMI	6.6	2.34	18.27	<0.0001
Cardiogenic shock	3.8	1.76	8.28	0.001
Acute respiratory failure	6.2	3.2	11.68	<0.0001
Septic shock	7.7	3.7	11.7	<0.0001