Table 1.

Study cohort characteristics.

Characteristics	Overall	SAVR ( % or mean, SD)	TAVR (n, % or mean, SD)	p-value
	N = 44,103	n = 38,540, 84.6%	n = 5,563, 15.4%
Patient-level
Age (years)	71.0, 13.7	69.1, 13.5	81.6, 9.3	<0.01
Female Sex	37.2	35.5	46.2	<0.01
Non-white race	13.0	13.5	9.9	<0.01
Elective Case	72.7	71.3	80.1	<0.01
Admitted from Home	54.3	54.1	55.2	<0.01
Elixhauser Comorbidities, #	4.04, 2.01	3.92, 2.0	4.73, 1.95	<0.01
Paralysis	1.72	1.64	2.21	<0.01
Chronic Lung Disease	23.8	21.7	35.2	<0.01
Coagulopathy	30.6	31.8	24.2	<0.01
CHF	39.0	33.3	70.6	<0.01
Deficiency Anemia	20.9	20.1	25.3	<0.01
Depression	7.2	7.3	7.1	0.71
Diabetes Mellitus	30.3	29.8	33.7	<0.01
Fluid and Electrolyte Disorders	35.0	36.3	27.8	<0.01
Hypertension	75.3	74.5	80.1	<0.01
Hypothyroidism	14.4	13.2	20.8	<0.01
Neurological Disorders (other than paralysis)	5.16	4.91	6.58	<0.01
Obesity	18.7	19.6	13.5	<0.01
Peripheral Vascular Disease	22.3	20.4	32.9	<0.01
Pulmonary circulatory disease	15.5	14.1	22.8	<0.01
Renal failure	18.3	15.6	33.2	<0.01
Valvular disease	26.4	28.3	16.1	<0.01
Hospital-level
Teaching hospital				<0.01
Major teaching hospital	35.3	39.1	13.4
Minor teaching hospital	26.1	24.5	35.0
Non-teaching hospital	38.6	36.4	51.0
Member of Health System	73.7	73.6	74.4	0.20
Urban Setting	99.6	99.6	99.9	<0.01
Ownership status				<0.01
Public	9.55	8.58	14.9
Not-for-profit	77.3	77.1	78.4
For-profit	13.1	14.3	6.72
Bed count < 300	23.27	25.6	10.4	<0.01
Safety Net Hospital	28.0	24.9	44.9	<0.01
HHI
75% variable radius (continuous)	0.306 (0.266)	0.323 (0.272)	0.215 (0.207)	<0.01
75% variable radius (categorical)				<0.01
High Competition	36.0	32.6	54.8
Moderate Competition	16.9	17.8	12.1
Low Competition	46.9	49.4	33.1
Clinical Outcomes
In-hospital mortality	3.29	3.09	4.39	<0.01
Length of stay	9.73	10.0	8.02	<0.01
Discharge to home	27.5	27.3	28.5	<0.01