Research Article
Magnetic Resonance Imaging Segmentation on the Basis of Boundary Tracking Algorithm in Lung Cancer Surgery
Table 1
Cox proportional hazards model analysis.
| Covariant | Regression coefficient | Wald | 95% CI | |
| Tumor grade | −0.258 | 3.257 | 0.528–1.359 | 0.065 | Treatment grouping | 0.364 | 4.332 | 1.327–1.847 | 0.037 |
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