Table 3.

Multivariable regression for in-hospital mortality in acute myocardial infarction-cardiogenic shock

Total cohort (N = 402,290)	Odds ratio	95% confidence interval		P
		Lower Limit	Upper Limit
Hospital region
Northeast	Reference category
Midwest	0.96	0.93	0.98	<0.001
South	1.04	1.01	1.06	0.002
West	0.96	0.94	0.98	0.001
Age groups (years)
19–49	Reference category
50–59	1.28	1.23	1.33	<0.001
60–69	1.87	1.79	1.94	<0.001
70–79	3.01	2.87	3.15	<0.001
≥80	4.78	4.57	5.01	<0.001
Female sex	1.11	1.10	1.13	<0.001
Race
White	Reference category
Black	1.01	0.98	1.04	0.52
Others	1.07	1.05	1.09	<0.001
Primary payer
Medicare	Reference category
Medicaid	0.91	0.88	0.95	<0.001
Private	0.76	0.74	0.78	<0.001
Uninsured	1.33	1.28	1.39	<0.001
No Charge	0.83	0.73	0.94	0.004
Others	0.89	0.85	0.94	<0.001
Quartile of median household income for zip code
0–25th	Reference category
26th–50th	0.96	0.94	0.98	<0.001
51st–75th	0.93	0.91	0.95	<0.001
75th–100th	0.89	0.87	0.91	<0.001
Charlson Comorbidity Index
0–3	Reference category
4–6	0.85	0.82	0.87	<0.001
≥ 7	0.76	0.74	0.79	<0.001
Year
2000	Reference category
2001	0.99	0.95	1.03	0.50
2002	0.88	0.84	0.92	<0.001
2003	0.80	0.76	0.83	<0.001
2004	0.77	0.73	0.80	<0.001
2005	0.73	0.70	0.76	<0.001
2006	0.72	0.69	0.75	<0.001
2007	0.68	0.65	0.71	<0.001
2008	0.53	0.51	0.56	<0.001
2009	0.47	0.45	0.49	<0.001
2010	0.47	0.45	0.49	<0.001
2011	0.46	0.44	0.48	<0.001
2012	0.48	0.46	0.50	<0.001
2013	0.47	0.45	0.49	<0.001
2014	0.47	0.46	0.50	<0.001
2015	0.46	0.44	0.48	<0.001
2016	0.45	0.43	0.47	<0.001
Acute organ dysfunction
Respiratory	1.13	1.12	1.15	<0.001
Renal	1.43	1.40	1.45	<0.001
Hepatic	1.42	1.38	1.46	<0.001
Hematologic	0.87	0.85	0.89	<0.001
Neurologic	1.42	1.39	1.46	<0.001
Out of hospital cardiac arrest	2.48	2.44	2.53	<0.001
Coronary angiography	0.33	0.32	0.34	<0.001
Percutaneous coronary intervention	0.86	0.84	0.88	<0.001
Pulmonary artery / right heart catheterization	1.01	0.99	1.03	0.19
Mechanical circulatory support	1.24	1.21	1.26	<0.001
Invasive mechanical ventilation	1.84	1.81	1.87	<0.001
Hemodialysis	1.24	1.19	1.29	<0.001