Serum Peptidomic Profile as a Novel Biomarker for Rheumatoid Arthritis

Table 3

Serum peptidomic profile of the three training sets.

Total number of peaks	No. of masses of integrating regions	No. of significant peaks	No. of significant integrated peaks	Sensitivity	Specificity
RA versus OA groups
113	75 : 7767.82	5	5	97.8%	97.9%
	40 : 2953.29
	41 : 2991.59
	48 : 4054.75
	68 : 6434.51
RA versus HC groups
101	25 : 2367.5	53	3	97.5%	95.3%
	62 : 7767.8
	53 : 5906.33
	14 : 1617.46
	43 : 4210.99
OA versus HC groups
95	18 : 2953.08	29	3	96.6%	99.7%
	03 : 1077.37
	75 : 9289.67
	14 : 2272.81
	23 : 3316.27

RA: rheumatoid arthritis; OA: osteoarthritis; HC: healthy control; .