Table 3.

Characteristics of patients with early arthritis with erosive and non-erosive disease

	Erosive, n=17	Non-erosive, n=33	p Value
Age, years	54 (24–81)	46 (20–75)	0.92
Disease duration, months	6 (1–11)	5 (1–12)	0.39
DAS28	3.7 (1.1–5.7)	2.4 (0.6–6.3)	0.012
ESR, mm/h	36 (3–91)	32 (9–93)	0.72
CRP, mg/litre	14 (1–114)	10 (1–133)	0.68
VAS, 0–100	42 (11–81)	38 (3–98)	0.88
IgM-RF positive, %	35	21	0.32
ACPA positive, %	24	27	0.88

ACPA, anti-citrullinated protein antibody; CRP, C-reactive protein; DAS28, 28-joint Disease Activity Score; ESR, erythrocyte sedimentation rate; IgM-RF, immunoglobulin M rheumatoid factor; VAS, visual analogue scale of global disease activity.