Serum Peptidomic Profile as a Novel Biomarker for Rheumatoid Arthritis

Table 1

Characteristics of participants.

	RA group ()	OA group ()	HC group ()	Test of sig.
Gender
Female (male)	24 (11)	26 (9)	26 (9)		^MC
Age
Min.–Max.	27–58	40–62	28–60		0.95
ESR (1^st hour)					<0.001
Sig.bet.Gps	, ,
CRP (<6 IU/ml)					<0.001
Sig.bet.Gps	, ,
ALT (18-37 μ/l)					0.48
AST (22-38 μ/l)					0.35
S. urea (15-45 mg/dl)					0.27
S. creatinine (0.5–1.2 mg/dl)					0.93
Hb (12-17 g/dl)					0.08
WBCs (/mm^3)					0.56
Platelets (/mm^3)					0.07

RA: rheumatoid arthritis; OA: osteoarthritis; HC: healthy control; ESR: erythrocyte sedimentation rate; CRP: C-reactive protein; ALT: alanine transaminase; AST: aspartate transaminase; Hb: hemoglobin; WBC: white blood cells. : for the Kruskal-Wallis test; pairwise comparison between every 2 groups was done using a post hoc test (Dunn’s for multiple comparison test). Statistically significant at . : Chi-squared test; MC: Monte Carlo; : for Kruskal-Wallis test; : Mann–Whitney test. : value for comparison between RA and OA groups. : value for comparison between RA and HC groups. : value for comparison between OA and HC groups.