Table 3. Incidence of adverse events in all hospitalized patients with atrial fibrillation according to whether or not catheter ablation was performed.

	Overall (n = 597,919)	Non-ablation (n = 539,936)	Ablation (n = 57,983)	P-value
Data are presented as n (%).
Tamponade requiring intervention	1009 (0.2%)	692 (0.1%)	317 (0.6%)	< 0.001
All-cause death	6960 (1.2%)	6922 (1.3%)	38 (0.1%)	< 0.001