Table 4.

Predictive accuracies obtained for serum and urine for models built using various number of variables in multivariate ROC curve analyses.

Number of variables	Predictive accuracy [%]
	Amino acids in serum samples	Amino acids in urine samples
2	80.6	68.8
3	80.2	73.1
5	83.1	78.4
10	83.0	83.6
20	86.2	88.1
32	89.7	-
39	-	91.3