Table 2.
Cox proportional hazard model for the 5-year recurrence-free survival in 564 patients
| Variate | Univariate | Multivariate | ||
|---|---|---|---|---|
| HR (95%CI) | P value | HR (95%CI) | P value1 | |
| Gender(Female) | 0.273(0.129, 0.576) | 0.001 | 0.5(0.234, 1.066) | 0.073 |
| Age(>56 years) | 6.171(2.377, 16.026) | <0.001 | 3.850(1.442, 10.273) | 0.007 |
| Maximum tumor size(D>1 cm) | 2.773(0.973, 7.906) | 0.056 | 1.130(0.186, 6.883) | 0.895 |
| Consolidation component size(D>1 cm) | 11.382(4.684, 27.656) | <0.001 | 0.962(0.187, 4.938) | 0.963 |
| CTR(CTR≥0.75) | 74.969(10.233, 549.218) | <0.001 | 82.952(8.732, 788.019) | <0.001 |
| Surgical approach(Sublobar resection) | 1.502(0.734, 3.073) | 0.265 | 3.612(1.750, 7.453) | 0.001 |
1P Value determined by COX proportional hazard model. CI: confidence interval; CTR: consolidation tumor ratio; D: diameter; HR: hazard ratio