Temporal Trends and Early Outcomes of Transcatheter versus Surgical Mitral Valve Repair in Atrial Fibrillation Patients

Table 6

In-hospital and 30-day outcomes for SMVR versus TMVR in patients with AF in unmatched and matched cohorts.

	Unmatched cohort		value	Matched cohort		value
	SMVR in AF	TMVR in AF		SMVR in AF	TMVR in AF
Number	16,972	9,195		4,680	4,680
In-hospital death	1.9%	2.1%	0.166	3.3%	2.3%	0.004
Transfusion	15.1%	4.9%	<0.001	20.5%	4.6%	<0.001
Acute kidney injury	18.8%	16.7%	<0.001	29.2%	15.2%	<0.001
Sepsis	3.0%	2.3%	0.002	3.8%	2.8%	0.008
Cardiogenic shock	9.1%	5.2%	<0.001	11.7%	6.0%	<0.001
Mechanical ventilation	2.8%	1.4%	<0.001	4.0%	1.8%	<0.001
Outcome stroke	2.3%	1.0%	<0.001	2.0%	1.5%	0.058
Length of stay	7.00 [5.00, 11.00]	2.00 [1.00, 5.00]	<0.001	8.00 [6.00, 14.00]	2.00 [1.00, 6.00]	<0.001
Cost	44408 [29620, 70491]	42349 [28822, 65325]	<0.001	49831 [32735, 80787]	42336 [28219, 64985]	<0.001
30-day readmission
All-cause	12.8%	15.8%	<0.001	16.2%	15.2%	0.286
Cardiovascular	6.7%	7.6%	<0.001	8.2%	7.2%	0.094
Heart failure	1.6%	2.4%	<0.001	2.9%	2.7%	0.466

Nonnormally distributed continuous variables were expressed by medians (interquartile range (IQR)) and categorical variables were expressed as percentages. AF: atrial fibrillation; SMVR: surgical mitral valve repair; TMVR: transcatheter mitral valve repair.