Table 5.

Discriminatory power of the PInscl, KPS, and TNM for overall survival of non-small cell lung cancer patients.

Area under the curve (AUC)
Overall survival	1-year	2-year	3-year	4-year	5-year
PInscl	0.73 ± 0.02 (0.69–0.77)	0.73 ± 0.02 (0.68–0.77)	0.77 ± 0.03 (0.71–0.83)	0.75 ± 0.04 (0.66–0.83)	0.83 ± 0.06 (0.72–0.94)
KPS	0.64 ± 0.02 (0.59–0.68)**	0.59 ± 0.03 (0.54–0.64)**	0.63 ± 0.03 (0.57–0.7)**	0.600± 0.05 (0.49–0.7)**	0.76 ± 0.06 (0.64–0.87)**
TNM	0.67 ± 0.02 (0.63–0.71)**	0.67 ± 0.03 (0.62–0.73)**	0.70 ± 0.03 (0.64–0.77)**	0.66 ± 0.05 (0.55–0.76)*	0.69 ± 0.08 (0.54–0.85)**

PInscl, prognostic index for non-small cell lung cancer; KPS, Karnofsky performance status; TNM, tumor-node-metastasis stage.

^*p < 0.05,

^**p < 0.01.