Fig. 2
Kaplan Meier curves demonstrating freedom from atrial fibrillation for HCM patients. Survival curves of all HCM patients (n = 238) showing freedom from atrial fibrillation (AF) when stratified according to the variables included in the Cox multiple regression analysis: A Left atrial (LA) diameter; B LA end diastolic volume (LAEDV) index; C LA ejection fraction; D Age ; E LA reservoir strain; F LA booster strain