Fig. 3From: Prediction of new onset postoperative atrial fibrillation using a simple NomogramA constructed nomogram for predicting POAF. For surgical classification variables, their distributions are reflected by the box size (boxes 1 to 4 represent valve surgery, CABG, concomitant valve and CABG surgery, and aorta surgery, respectively). LAd left atrial diameter, Pr probabilityBack to article page