Table 5.
Multivariable logistic regression model for the association between lymph node dissection receipt in patients with non-metastatic RCC who were cLN negative (n = 106,370).
| Variable | n(%) | OR(95% CI) LND | p-value |
|---|---|---|---|
| Sex | |||
| Female | 40351(38) | Ref | 0.31 |
| Male | 66019(62) | 0.97 (0.93-1.02) | |
| Race | |||
| White | 89193(85) | Ref | |
| African American | 12600(12) | 0.92 (0.85-0.99) | 0.06 |
| Native American | 531(0.5) | 0.59 (0.40-0.87) | 0.02 |
| Asian | 2080(2) | 0.95 (0.81-1.11) | 0.34 |
| Other | 922(0.9) | 1.16 (0.92-1.46) | 0.38 |
| Charlson Comorbidity Index | |||
| 0 | 72512(68) | Ref | |
| 1 | 25228(24) | 0.98 (0.93-1.04) | 0.51 |
| 2 | 8630(8) | 0.97 (0.89-1.05) | 0.11 |
| Distance from Treatment Center (miles) | |||
| ≤5.4 | 27018(25) | Ref | |
| >5.4-12.5 | 26512(25) | 1.04 (0.98-1.11) | 0.28 |
| >12.5-31.0 | 26417(25) | 1.07 (1.00-1.14) | 0.05 |
| >31.0 | 26423(25) | 1.22 (1.14-1.30) | <0.01 |
| Insurance | |||
| Private Insurance | 49206(47) | Ref | |
| Not Insured | 3498(3) | 1.05 (0.93-1.18) | 0.42 |
| Medicaid | 6066(6) | 1.05 (0.95-1.16) | 0.17 |
| Medicare | 44869(43) | 0.92 (0.87-0.98) | 0.03 |
| Other Government | 1404(1) | 0.78 (0.63-0.97) | 0.04 |
| Hospital Type | |||
| Community Cancer Program | 6802(7) | Ref | |
| Academic/Research Program | 42573(42) | 1.58 (1.43-1.74) | <0.01 |
| Comprehensive Community Cancer Program | 40620(40) | 0.95 (0.86-1.05) | 0.51 |
| Integrated Network Cancer Program | 10915(11) | 1.10 (0.98-1.24) | 0.88 |
| Surgical Modality | |||
| Open | 42465(40) | Ref | |
| Robotic | 32436(30) | 0.73 (0.69-0.78) | <0.01 |
| Laparoscopic | 31469(30) | 0.60 (0.59-0.66) | <0.01 |
| Clinical Stage T | |||
| 1 | 80707(76) | Ref | |
| 2 | 15013(14) | 4.87 (4.61-5.14) | <0.01 |
| 3 | 9572(9) | 6.33 (5.97-6.72) | <0.01 |
| 4 | 485(0.5) | 11.10 (9.13-13.49) | <0.01 |
*
number of adults in the patient’s zip code who did not graduate from high school
OR: odds ratio, CI: confidence interval