Table 3. Comparison of Patient Characteristics (Odds Ratio for Group I*:Group II†Patients)‡
* Cases involving mid-career, non–board-certified anesthesiologist.
† Cases involving all other anesthesiologists.
‡ Odds ratio denotes the odds of a covariate of interest observed in group I patients to that of group II patients.
DRG = diagnosis-related group; COPD = chronic obstructive pulmonary disease.