Table 2

Disease characteristics of RA patients investigateda

Characteristics

n

Median (25th to 75th percentile)


ESR, mm/h

199

33 (17 to 61)

CRP, mg/l

207

8.1 (2.5 to 33.6)

RF, IU/ml

207

63.6 (15 to 185.5)

ACPA, RU/ml

206

251.9 (42.65 to 650.7)

Tender joint count

81

4 (2 to 7)

Swollen joint count

81

2 (1 to 5)

Patient global VAS score

81

50 (30 to 70)

DAS28 score

81

4.7 (3.4 to 5.6)


aRA, rheumatoid arthritis; ESR, erythrocyte sedimentation rate; CRP, C-reactive protein; RF, rheumatoid factor; IU, international units; RU, relative units; ACPA, anti-cyclic citrullinated peptide antibody; VAS, visual analogue scale; DAS28, disease activity score 28.

Li et al. Arthritis Research & Therapy 2011 13:R17   doi:10.1186/ar3241

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