Fig. 2.

The adjusted odds ratio of medical complications (2A), mortality (2B) and readmissions (2C) increased with greater ASA PS classes in outpatient surgery. Adjusted for gender, smoker, diabetes, dyspnea, obesity, COPD, bleeding disorder, hypertension requiring medication, operative duration, RVU, surgical specialty. Medical complications (C statistic = 0.70), mortality (C statistic = 0.74) and readmission (C statistic = 0.67). Error bars represent 95% confidence interval. ASA PS = American Society of Anesthesiologists Physical Status Classification System