Fig. 2
From: Surgical specialty and preoperative medical consultation based on commercial health insurance claims
Adjusted likelihoods of preoperative medical consultation from the main effects model for each surgical specialty. Adjusted for surgical risk, age, gender, Deyo comorbidity score, urban/rural character of patient residence ZIP code, and hospital referral region. General surgery is referent, *p value = 0.02; **p value < 0.001