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Logo of arthresbiomed central web sitesearch.manuscript submission.see also journal with issn 1478-6354registration.reference to the article.journal front page.
 
From:
Published online 2002 May 2. doi: 10.1186/ar420

Supplementary Table 2

Comparison of CD19high patients and CD19low patients of the retrospective study group cohort and the prospective study group cohort.

CD19low groupCD19high group
Retrospective study groupn = 58n = 36
 Age (years)63.8 (56–72)62.7 (56–72)0.613
 Disease duration (years)11.4 (7.1–22.6)19 (5.8–27.7)0.446
 ESR (mm/h)35.9 (22.83–3.19)31.52 (21.72–3.9)0.393
 C-reactive protein (mg/l)27.6-(6.5–60)15.7 (7.18–40.280.204
 Serum IgM (g/l)1.65 (1.20–2.26)1.92 (1.60–2.61)0.022
 Serum IgG (g/l)10.45 (9.09–11.70)10.50 (9.54–13.00)0.498
 Serum IgA (g/l)2.67 (1.89–3.73)2.67 (1.88–3.91)0.724
 RF IgM (IU/ml)134.8 (84–257)187 (110–207)0.182
 RF IgA 9 IU/ml)75 (33.5–128.75)31.5 (13.5–106.5)0.02
 ANF (titer)1:160 (0–1:320)1:160 (0–1:1120)0.861
 Circulating immune complexes(g/l)4.6 (3.32–9.15)4.45 (3–5.8)0.607
Prospective study groupn = 36n = 34
 C-reactive protein (mg/l)14 (5–25.5)5.4 (0–9.2)0.013
 Serum IgM (g/l)1.07 (0.79–1.4)1.19 (0.88–1.43)0.618
 Serum IgG (g/l)11.5 (10.22–13.7)12.7 (11–14.2)0.371
 Serum IgA (g/l)3.08 (2.04–3.86)2.35 (1.78–3.02)0.062
 RF IgM (IU/ml)132 (31.1–253)65.5 (0–136)0.099
 RF IgA (IU/ml)63.5 (12–155.8)0 (0–8)< 0.001

ANF, antinuclear factors; ESR, erythrocyte sedimentation rate; RF, rheumatoid factor. Data are presented as medians (interquartile ranges) of all parameters, and the resulting level of significance are given.