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. Author manuscript; available in PMC: 2021 Apr 7.
Published in final edited form as: J Am Coll Cardiol. 2020 Apr 7;75(13):1503–1518. doi: 10.1016/j.jacc.2019.12.040

Figure 4.

Figure 4.

Distribution of Hospital Annual Procedure Volume among 495 Participating Hospitals in the LAAO Registry between January 1, 2016 to December 31, 2018. The figure shows the number of hospitals in each annual volume category. The median number of LAAO procedures performed annually among enrolling hospitals was 30 (interquartile range [IQR] 26) with most hospitals performing <40 procedures annually, although there was considerable variation in annual volume. LAAO= Left Atrial Appendage Occlusion.