Table 4.

Multivariate regression for different outcomes left atrial appendage closure

Any procedural complication or death (n = 264)	OR with 95%CI	P value
Hospital annual LAA closure volume (per unit increase)	0.89 (0.85-0.94)	< 0.001
Length of stay (n = 258)	HR	P value
Hospital annual LAA closure volume (per unit increase)	0.95 (0.92-0.98)	< 0.001
Cost of hospitalization (n = 250)	Estimate ($)	P value
Hospital annual LAA closure volume (per unit increase)	0.96 (0.93-0.98)	< 0.001

LAA: Left atrial appendage; OR: Odds ratio.