Table 2. Multivariable Analysis of the Association Between Surgeon Sex and Earnings per Hour of Operating Time.
| Characteristic | Adjusted Relative Rate (95% CI) | P Value |
|---|---|---|
| Surgeon sex | ||
| Male | 1 [Reference] | NA |
| Female | 0.76 (0.74-0.79) | <.001 |
| Surgeon years in practice | 1.00 (1.00-1.00) | .53 |
| Hospital type | ||
| Teaching | 1 [Reference] | NA |
| Nonteaching | 1.01 (0.98-1.04) | .41 |
| Patient agea | 1.01 (1.01-1.01) | <.001 |
| Proportion of patients by characteristic | ||
| Aggregated Diagnosis Group ≥10 | 1.00 (0.89-1.13) | .95 |
| American Society of Anesthesiologists ≥3 | 1.53 (1.42-1.64) | <.001 |
| BMI >40 | 0.87 (0.71-1.07) | .19 |
| Marginalizationa | 0.95 (0.91-1.01) | .09 |
Abbreviations: BMI, body mass index (calculated as weight in kilograms divided by height in meters squared); NA, not applicable.
a
Modeled as mean values for each surgeon based on all operations performed across the study period.