Table 6 Multivariate COX regression analysis of RFS in 401 GIST patients
From: Gastrointestinal stromal tumor: 15-years’ experience in a single center
Covariate | χ2 | P-value | Hazard ratio | 95% CI |
|---|---|---|---|---|
Adjacent involvement (with vs. without) | 11.841 | 0.001 | 2.295 | 1.430-3.683 |
Mitotic rate (> = 5/50 HPF vs. <5/50 HPF) | 8.895 | 0.003 | 2.406 | 1.351-4.284 |
Risk grade (high risk vs. non-high risk) | 26.129 | <0.001 | 11.794 | 4.579-30.379 |