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

Table 1

Baseline characteristics 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		TMVR in AF	SMVR in AF
Number	16,972	9,195		4,680	4,680
Age	66.66 ± 10.74	79.34 ± 8.82	<0.001	75.24 ± 7.38	75.71 ± 9.73	0.009
Female	41.2%	44.7%	<0.001	47.2%	49.0%	0.086
Paroxysmal AF	55.1%	53.7%	0.027	41.4%	37.4%	<0.001
Median income range			<0.001			0.095
0–25th percentile	18.0%	19.1%		19.8%	19.4%
25−50th percentile	23.1%	23.9%		23.3%	25.5%
50−75th percentile	27.0%	28.0%		27.2%	26.5%
75−100th percentile	31.9%	29.0%		29.7%	28.6%
Hospital size			<0.001			<0.001
Small	5.9%	2.8%		4.6%	3.2%
Medium	22.0%	20.9%		19.6%	23.2%
Large	72.1%	76.3%		75.8%	73.6%
Pay			<0.001			0.192
Medicare	58.8%	90.2%		85.8%	86.3%
Medicaid	5.4%	1.6%		2.2%	2.6%
Others	35.8%	8.2%		12.0%	11.0%
Urgent/emergent	21.5%	25.6%	<0.001	26.1%	25.8%	0.777
Prior PCI	4.8%	18.8%	<0.001	11.0%	10.8%	0.817
Prior CABG	2.7%	19.9%	<0.001	7.8%	8.7%	0.134
Prior PPM/ICD	6.8%	26.2%	<0.001	15.5%	15.9%	0.609
Smoke	29.5%	34.0%	<0.001	32.3%	32.3%	0.965
Dyslipidemia	48.0%	60.1%	<0.001	55.3%	55.9%	0.618
Anemia	3.5%	5.2%	<0.001	4.8%	4.5%	0.557
Obesity	15.6%	10.6%	<0.001	14.0%	13.7%	0.697
Alcohol use	0.2%	0.1%	0.081	0.2%	0.1%	0.605
Prior stroke	7.3%	12.9%	<0.001	10.9%	11.3%	0.553
Myocardial infarction	5.8%	16.7%	<0.001	11.2%	10.8%	0.552
Congestive heart failure	56.7%	89.0%	<0.001	82.7%	81.4%	0.118
Peripheral vascular disease	11.1%	24.4%	<0.001	18.4%	17.5%	0.27
Cerebrovascular disease	5.0%	5.6%	0.055	5.9%	5.9%	1
Dementia	0.7%	3.3%	<0.001	2.1%	2.0%	0.77
Chronic pulmonary disease	18.0%	27.4%	<0.001	25.8%	25.2%	0.507
Disease	0.3%	0.6%	<0.001	0.6%	0.5%	0.889
Peptic ulcer disease	2.5%	3.2%	0.001	3.0%	3.3%	0.443
Liver disease	2.2%	2.6%	0.102	2.8%	2.5%	0.521
Diabetes	12.1%	13.2%	0.008	14.4%	15.3%	0.211
Paraplegia	1.2%	0.5%	<0.001	0.8%	0.9%	0.647
Renal disease	16.2%	41.7%	<0.001	32.4%	31.1%	0.169
Metastatic solid tumor	0.2%	0.6%	<0.001	0.4%	0.4%	0.867
Charlson comorbidity index	4.68 ± 2.00	6.90 ± 1.97	<0.001	6.32 ± 1.86	6.26 ± 1.86	0.128

Normally distributed continuous variables expressed as the mean value ± standard deviation and categorical variables were expressed as percentages. AF: atrial fibrillation; SMVR: surgical mitral valve repair; TMVR, transcatheter mitral valve repair; PPM: permanent pacemaker implant; ICD: implantable cardioverter defibrillator.