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Kaplan‐Meier curves of OS. (a) Effect of the TNM staging system on the OS in all NSCLC patients (AUC = 0.706, 95% CI = 0.660–0.752); TNM (
) I, (
) II, and (
) III. (b) Effect of the AAPR‐TNM system on OS in all NSCLC patients (AUC = 0.742, 95% CI = 0.699–0.785). AAPR‐TNM (
) 1, (
) 2, (
) 3, and (
) 4. (c) ROC analysis of the TNM staging system and the AAPR‐TNM system in OS prediction. (
) AAPR‐TNM, (
) TNM, and (
) Reference line.
