Table 6.

Analysis of Cross-Validated performance metrics for all Predictors.

Predictor	Accuracy (95% CI)	Kappa (95% CI)	AUC
LMR	0.699 (0.646–0.751)	0.308 (0.189–0.427)	0.731
ALB/GLB	0.695 (0.642–0.748)	0.301 (0.183–0.419)	0.724
Serum albumin	0.693 (0.639–0.747)	0.295 (0.182–0.408)	0.715
ECOG PS	0.685 (0.631–0.739)	0.282 (0.161–0.403)	0.708
Age	0.682 (0.627–0.737)	0.275 (0.147–0.403)	0.701
HRR	0.691 (0.640–0.742)	0.293 (0.181–0.405)	0.712
Clinical stage	0.672 (0.621–0.723)	0.259 (0.138–0.380)	0.694
Differentiation	0.664 (0.608–0.720)	0.236 (0.109–0.363)	0.687

Note: RFE Selected Variables: Clinical Stage (Stage I)、Differentiation Grade (Poor differentiation)、ECOG Performance Status (0–1)、Serum Albumin (g/L)、Lymphocyte-to-Monocyte Ratio (LMR)、High-Risk Ratio (HRR)、Albumin-to-Globulin Ratio (ALB/GLB)、Age (years).