Tumor Size as a Critical Prognostic Factor in T1-2 Stage Esophageal Cancer

Table 4

The predictive ability of prognostic factors for CSS and OS in T1-2 stage esophagus cancer patients based on different N stages.

c-index	T1-2N0	T1-2N+
OS
Tumor size	0.55	0.553
Age	0.544	0.531
Sex	0.509	0.509
Grade	0.533	0.548
M stage	0.51	0.542
Surgery	0.536	0.561
CSS
Tumor size	0.577	0.564
Age	0.527	0.517
Sex	0.513	0.511
Grade	0.562	0.542
M stage	0.517	0.548
Surgery	0.549	0.559