* OA at 0 and 90 degrees were not considered due to more than 20%
missing data (i.e., 26 patients out of 122).
† OA = ostial area, LAA = left atrial appendage, LVEF = left ventricular
ejection fraction, AIC = Akaike information criterion
Table III. Statistical results from the best-fitting conditional
regression model (Model 1)