Table 3.

Amino acid AUROCs and their 95% CIs for the differentiation of colon cancer patients and controls

Amino acids	AUC	95% CI
		Low	High
Glycine	0.707	0.613	0.801
Histidine	0.691	0.593	0.788
Alanine	0.677	0.580	0.774
Leucine/Isoleucine	0.653	0.551	0.754
Threonine	0.645	0.544	0.746
Tyrosine	0.636	0.536	0.737
Methionine	0.633	0.532	0.735
Valine	0.625	0.521	0.728
Lysine	0.624	0.522	0.725
Aspartate	0.622	0.520	0.724
Sarcosine	0.617	0.515	0.719
Arginine	0.594	0.490	0.697
Hydroxyproline	0.574	0.467	0.681
Pipecholic	0.568	0.463	0.673
Phenylalanine	0.568	0.463	0.672
Carnosin	0.558	0.452	0.663
Citrullin	0.554	0.447	0.660
Methylhistidine	0.536	0.430	0.642
Glutamine	0.530	0.424	0.635
Ornithine	0.527	0.420	0.634
Taurine	0.523	0.414	0.633
Abscisic acid	0.521	0.415	0.627
Tryptophane	0.506	0.400	0.612
Serine	0.506	0.399	0.612
Glutamine	0.485	0.378	0.591
Proline	0.463	0.357	0.569

AUROCs and 95% CIs for the different amino acids with respect to the discriminatory power between colon cancer patients and healthy controls