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Results of multivariate Cox Proportional Hazards regression model of predictors of overall survival.
| Hazard ratio | 95% confidence | P-value | |||
|---|---|---|---|---|---|
| interval | |||||
| Procedure | RFA | 1.00 | |||
| Resection | 0.36 | 0.19 | 0.70 | .002 | |
| Size of lesion(s) | <5 cm | 1.00 | |||
| ≥5 cm | 2.43 | 1.26 | 4.67 | .008 | |
| No. lesions | <5 | 1.00 | |||
| ≥5 | 6.08 | 2.21 | 16.70 | <.001 | |
| Timing of lesion(s) | Synchronous | 1.00 | |||
| Metachronous | 2.92 | 1.50 | 5.70 | .002 | |
