Table 4.
Multivariable analysis for perioperative complication (lymphadenectomy cohort, N = 706).
| Characteristic | Adjusted-OR (95%CI) | P-value |
|---|---|---|
| Year | <0.001* | |
| 2001–2004 | 1 | |
| 2005–2008 | 0.04 (0.01–0.20) | <0.001 |
| 2009–2011 | 0.77 (0.44–1.34) | 0.355 |
| Race/ethnicity | <0.001* | |
| White | 1 | |
| Black | 0.80 (0.22–2.92) | 0.739 |
| Hispanic | 7.81 (4.00–15.3) | <0.001 |
| Other* | 1.38 (0.76–2.51) | 0.298 |
| Charlson Index | <0.001* | |
| 0 | 1 | |
| 1 | 2.27 (1.08–4.77) | 0.031 |
| 2 | 85.6 (12.5–589) | <0.001 |
| Median household income | <0.001* | |
| <$39,000 | 1 | |
| $39,000–$47,999 | 2.78 (1.04–7.46) | 0.042 |
| $48,000–$62,999 | 5.87 (2.47–14.0) | <0.001 |
| ≥$63,000 | 3.88 (1.57–9.59) | 0.003 |
| Missing | 23.7 (4.99–113) | <0.001 |
| Primary expected payer | 0.007* | |
| Medicare | 1 | |
| Medicaid | 0.71 (0.16–3.22) | 0.660 |
| Private including HMO | 0.44 (0.11–1.74) | 0.243 |
| Self-pay | na | 0.998 |
| Other | 0.07 (0.01–0.41) | 0.003 |
| Hospital bed size | 0.002* | |
| Small | 1 | |
| Medium | 5.18 (1.46–18.4) | 0.011 |
| Large | 7.93 (1.40–26.2) | 0.001 |
| Hospital region | 0.005* | |
| Northeast | 1 | |
| Midwest | 2.35 (0.94–5.89) | 0.069 |
| South | 3.16 (1.54–6.46) | 0.002 |
| West | 3.40 (1.66–6.93) | 0.001 |
| Hospital surgical volume | ||
| Non-top decile | 1 | |
| Top decile | 0.31 (0.16–0.60) | 0.001 |
A binary logistic regression model for multivariable analysis. All the significant covariates with P < 0.05 on univariable were initially entered in the model. Conditional backward method was used to retain only the significant covariates with P < 0.05 in the final model as listed above.
*
P-value for interaction.