ABC | Volume 111, Nº5, November 2018

Original Article Rattanawong et al PR interval and chronic resynchronization therapy Arq Bras Cardiol. 2018; 111(5):710-719 1.12 (1.02, 1.22) 1.12 (1.02, 1.22) 1.48 (1.01, 2.17) 1.67 (1.14, 2.44) 1.45 (0.99, 2.12) 1.53 (1.23, 1.91) 1.34 (1.08, 1.67) 42.35 42.35 19.02 19.38 19.25 57.65 100.00 .1 1 10 PR ≥ 230 PR ≥ 200 Freidman et al, 2016 Januszkiewicz et al, 2015 Ying-Hsiang et al, 2014 Kronborg et al, 2009 Subtotal (I-squared = .%, p = .) Subtotal (I-squared = 0.0%, p = 0.856) Overall (I-squared = 57.0%, p = 0.072) NOTE: Weights are from random effects analysis Subgroup Risk Ratio % Weight Supplementary Document 3 – Meta-regression of PR definition. This is an open-access article distributed under the terms of the Creative Commons Attribution License 719