Table 1.

Relative intensities (mean ±SD) of the most discriminative peaks (m/z) in the serum samples obtained from PTC patients versus cancer-free controls.

Mass (m/z)	PTC patients	Cancer-free controls	P*	AUC**
5905.22	16±9.17	28.45±11.79	<0.000001	0.83
2671.17	15.46±6.64	21.59±9.07	0.0000106	0.78
1464.68	6.43±3.06	10.99±4.32	0.000792	0.76
1738.92	6.91±2.52	4.25±2.14	0.000113	0.77
6630.37	2.46±2.14	1.2±0.61	0.000350	0.76
1978.22	2.21±0.66	3.0±0.67	0.000244	0.75

^*Calculated based on a t-test or the Wilcoxon test;

^**area under the ROC curve.