Table 3. External validation of the calculator for 5-year mortality.

Patients group	No.	Mean predictive rate	95% CI	Actual rate
Overall	916	0.7192	0.4494 to 0.9684	0.8280
Neutrophil/lymphocyte ratio
<4	643	0.7002	0.4494 to 0.8786	0.7994
≥4	184	0.9356	0.8326 to 0.9850	0.9293
Synchronous metastasis
Absent	462	0.6036	0.4494 to 0.9010	0.7554
Present	448	0.8618	0.7330 to 0.9850	0.8996
No. of metastasis
<2	379	0.6864	0.4494 to 0.9550	0.7652
≥2	476	0.8005	0.5404 to 0.9850	0.8824
Albumin (g/dL)
≥3	728	0.7377	0.4494 to 0.9684	0.8132
<3	51	0.9528	0.8219 to 0.9850	0.9804
Hb (g/dL)
≥LLN (male 13, female 11.5)	372	0.6475	0.4494 to 0.9436	0.7473
<LLN (male 13, female 11.5)	458	0.8321	0.5989 to 0.9850	0.8930

CI, confidence interval; Hb, hemoglobin; LLN, lower limit of normal.