Table 3.

1-year AF recurrence composite outcome for patients with impedance drop above or below the best-predicting threshold

	Patients	Events	Adjusted OR (95% CI)∗
Average impedance drop
>7.2 Ω	119	15 (12.6)	Reference
≤7.2 Ω	123	42 (34.1)	3.51 (1.39–9.50)
Right WACA impedance drop
>7.2 Ω	104	12 (11.5)	Reference
≤7.2 Ω	138	45 (32.6)	4.32 (1.57–13.2)
Left WACA impedance drop
>7.2 Ω	139	24 (17.3)	Reference
≤7.2 Ω	103	33 (32.0)	2.97 (1.27–7.27)

The composite outcome includes AF hospitalization, repeat ablation, direct current cardioversion, or initialization of new antiarrhythmic drugs post–blanking period.

AF = atrial fibrillation; CI = confidence interval; OR = odds ratio; WACA = wide antral circumferential ablation.

^∗A full list of ORs for all the variables in multivariable analysis can be found in Supplemental Tables 4–6.