Table 2. Components of the Hernandez Model as Diagnostic Tests for Cancer in Patients Who Had Involuntary Weight Loss^*.

Variable	Sensitivity	Specificity	Positive Likelihood Ratio	Negative Likelihood Ratio	Positive Predictive Value	Negative Predictive Value
White blood cells >12 000/µL	0.25	0.90	2.49	0.83	0.45	0.78
Serum alkaline phosphatase >220 U/L	0.50	0.78	2.28	0.64	0.43	0.83
Serum albumin <3.5 g/dL	0.41	0.80	2.08	0.73	0.39	0.81
Serum lactate dehydrogenase >104 U/L	0.44	0.70	1.47	0.8	0.32	0.79

*Age >80 years was not reported because it was not associated with cancer in bivariate analysis.