Table 3. Multivariable Cox Proportional Hazards Regression Analysis Among Treatment Groups in the Patients With Gallbladder Cancer After Propensity Score Matching.
| Characteristics | Multivariable analysis for overall survival, HR (95% CI) |
|---|---|
| Therapies | |
| Surgery alone | 1 [Reference] |
| Neoadjuvant | 0.78 (0.58-1.04) |
| Adjuvant | 0.78 (0.63-0.96) |
| Age | 1.00 (0.99-1.02) |
| Sex | |
| Male | 1 [Reference] |
| Female | 0.92 (0.75-1.12) |
| Race and ethnicity | |
| Hispanic | 0.83 (0.58-1.19) |
| Non-Hispanic | |
| White | 1 [Reference] |
| Black | 0.80 (0.56-1.13) |
| Charlson Comorbidity Index score | |
| 0 | 1 [Reference] |
| 1 | 1.21 (0.95-1.53) |
| ≥2 | 1.62 (0.86-3.02) |
| Facility type | |
| Academic | 1 [Reference] |
| Nonacademic | 1.18 (0.97-1.43) |
| Insurance status | |
| Uninsured | 1 [Reference] |
| Private | 1.38 (0.83-2.31) |
| Medicaid | 1.65 (0.94-2.92) |
| Medicare | 1.63 (0.95-2.81) |
| Income, $ | |
| <40 227 | 1 [Reference] |
| $0 227-50 353 | 1.13 (0.84-1.51) |
| 50 354-63 332 | 1.06 (0.79-1.42) |
| ≥63 333 | 1.00 (0.75-1.33) |
| Stage | |
| II | 1 [Reference] |
| III | 1.46 (1.16-1.83) |
| IV | 2.04 (1.53-2.70) |
| Nodal status | |
| Negative | 1 [Reference] |
| Positive | 1.84 (1.43-2.36) |