TABLE 1.

Baseline Demographic and Clinical Characteristics of Minimally Invasive Valve Surgery Patients and Types of Valve Procedures Performed

	Before Matching			After Matching
Patient Characteristics	Early Discharge (≤3 Days Postoperatively) (n = 162)	Late Discharge (>3 Days Postoperatively) (n = 455)	P	Early Discharge (≤3 Days Postoperatively) (n = 101)	Late Discharge (>3 Days Postoperatively) (n = 101)	P
Demographics
Age, y	67 [58-73]	69 [62-79]	<.001	68 [58-74]	66 [61-74]	.75
Male sex	86 (53.1)	245 (53.9)	.87	62 (61.4)	63 (62.4)	.89
Non-White race	30 (18.5)	88 (19.3)	.82	15 (14.9)	18 (17.8)	.57
Comorbidities
Atrial fibrillation	35 (21.6)	155 (34.2)	.003	22 (21.8)	25 (24.8)	.62
Body mass index	27.2 [24.2-31.4]	28.3 [24.4-32.1]	.14	27.3 [24.6-32.8]	27.3 [23.8-31.0]	.65
Chronic kidney disease requiring dialysis	1 (0.6)	12 (2.6)	.20	0 (0)	2 (2.0)	.50
Congestive heart failure	21 (13.0)	137 (30.1)	<.001	13 (12.9)	16 (15.8)	.55
Cigarette smokinga	5 (5.0)	36 (9.0)	.19	5 (5.0)	4 (4.0)	>.99
Diabetes mellitus	34 (21.0)	123 (27.0)	.13	24 (23.8)	23 (22.8)	.87
Hyperlipidemia	121 (74.7)	352 (77.4)	.49	71 (70.3)	77 (76.2)	.34
Hypertension	120 (74.1)	373 (82.0)	.03	82 (81.2)	82 (81.2)	>.99
Prior stroke	3 (1.85)	33 (7.25)	.01	2 (2.0)	1 (1.0)	>.99
Society of Thoracic Surgeons predictive risk of mortality score, %	1.02 [0.63-1.69]	1.72 [0.92-3.37]	<.001	1.02 [0.66-1.68]	1.20 [0.70-1.98]	.29
Valve procedure			.04			.87
Aortic valve replacement	109 (67.3)	307 (67.5)		72 (71.3)	69 (68.3)
Mitral valve replacement	8 (4.9)	50 (11.0)		3 (3.0)	4 (4.0)
Mitral valve repair	45 (27.8)	98 (21.5)		26 (25.7)	28 (27.7)

^aCurrent cigarette smoking at time of preoperative clinic visit. Values are median [interquartile range] or n (%).