Figure 1.

Multimodal logistic regression analysis showing adjusted odds ratio scatter chart for the associations between development of a medically related adverse event and Charlson Comorbidity Index (CCI), American Society of Anesthesiologists (ASA) physical classification system, or demographic and comorbidity variables shown to be significant. ^∗Indicates of significance the risk factor in the multimodal model at the P = .05 level. BMI, body mass index; COPD, chronic obstructive pulmonary disease.