Table 4.
Multivariable logistic regression model for factors associated with margin-positive resection
| 95% Confidence Interval | ||||
|---|---|---|---|---|
| Variable | Odds Ratio | Lower | Upper | p-value |
| Age (per year) | 1.00 | 0.97 | 1.03 | 0.89 |
| Female sex (reference: male) | 1.12 | 0.72 | 1.73 | 0.62 |
| Race (reference: White) | ||||
| Black | 1.61 | 0.71 | 3.69 | 0.26 |
| Year of diagnosis (per year) | 1.01 | 0.92 | 1.10 | 0.86 |
| Charlson-Deyo Comorbidity Index (reference: 0) | ||||
| 1 | 0.90 | 0.57 | 1.44 | 0.67 |
| 2+ | 0.79 | 0.41 | 1.51 | 0.47 |
| Insurance status (reference: private) | ||||
| Government | 0.89 | 0.53 | 1.52 | 0.68 |
| Academic center | 0.91 | 0.57 | 1.45 | 0.71 |
| Tumor size (per 10 mm) | 1.61 | 1.31 | 1.97 | <0.001 |
| Type of surgery (reference: lobectomy) | ||||
| Wedge resection | 4.00 | 2.49 | 6.41 | <0.001 |
| Segmentectomy | 1.98 | 0.74 | 5.30 | 0.17 |
| N=1948 | ||||