Table 2.

Cardiac catheter ablation procedure counts within the populations of interest (atrial fibrillation and ventricular tachycardia)

Health system	Ablation procedures (AF population)	Ablation procedures (VT population)	Ablation procedures (‘other primary’ and ‘missing primary’)	Total
Mercy Health (1 January 2014–20 February 2020)	2471	198	2530	5199
Mayo Clinic (1 January 2014–31 December 2019)	4906	1140	3142	8932
Yale New Haven Hospital (1 February 2013–13 August 2019)	1299	527	3004	4830
Total	8676	1865	8676	18 961

AF, atrial fibrillation; VT, ventricular tachycardia.