Model of Wolters et al for Predicting Postoperative Complications from ASA Classification and Perioperative Variables

Age of patient

ASA class of patient

Is this an emergency operation?

Is this a major operation?

Length of time from time of skin incision to wound closure

Hemoglobin

Serum creatinine

Number of cigarettes smoked per week

Vital capacity as percent of predicted (enter from 0 to 100)

FEV1 as percent of predicted (enter from 0 to 100)