TABLE 2.
Multivariable analysis for perioperative complications
| Characteristic | Odds ratio (95% confidence interval) | P value |
|---|---|---|
| Age, y | 1.02 (1.01–1.02) | <.001 |
| Race/ethnicity | <.001a | |
| White | 1 | |
| Black | 1.42 (1.26–1.60) | <.001 |
| Hispanic | 0.88 (0.79–0.98) | .0020 |
| Others | 1.19 (1.05–1.35) | .008 |
| Missing | 1.01 (0.91–1.13) | .805 |
| Charlson Index | <.001a | |
| 0 | 1 | |
| 1–2 | 2.59 (2.37–2.83) | <.001 |
| ≥3 | 2.69 (2.40–3.01) | <.001 |
| Median household income | <.001a | |
| <$39,000 | 1.09 (0.98–1.21) | .115 |
| $39,000–$47,999 | 1.01 (0.91–1.13) | .810 |
| $48,000–$62,999 | 1.12 (1.01–1.25) | .028 |
| ≥$63,000 | 1 | |
| Missing | 0.53 (0.41–0.68) | <.001 |
| Primary expected payer | <.001a | |
| Medicare | 0.99 (0.88–1.12) | .888 |
| Medicaid | 1.36 (1.19–1.56) | <.001 |
| Private including HMO | 1 | |
| Others | 1.17 (1.07–1.28) | .001 |
| Missing | 1.16 (0.59–2.26) | .674 |
| Hospital bed size | ||
| Small/medium | 1 | |
| Large | 1.09 (1.01–1.18) | .048 |
| Hospital teaching status | ||
| Rural/urban nonteaching | 1 | |
| Urban teaching | 1.14 (1.04–1.26) | .005 |
| Hospital region | .006a | |
| Northeast | 1.15 (1.05–1.27) | .004 |
| Midwest | 1.20 (1.08–1.35) | .001 |
| South | 1.08 (0.96–1.22) | .198 |
| West | 1 | |
| Radical hysterectomy type | ||
| Open | 1 | |
| Cesarean | 2.45 (1.89–3.16) | <.001 |
Note: A binary logistic regression model for analysis (conditional backward method). All the listed covariates were entered in the final model. Missing cases for hospital bed size and teaching status were not entered in the model because of multicollinearity.
a
For interaction.