|
Characteristics of the 228 rheumatoid arthritis patients |
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| Total |
IgA anti-CCP-positive, IgG anti-CCP-positive |
IgA anti-CCP-negative, IgG anti-CCP-positive |
|
|
|
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| Number of patients |
228 |
66 |
72 |
| Mean age (years) |
55 |
57 |
52 |
| Number of women:men |
158:70 |
48:18 |
46:26 |
| Mean age (years) |
54:59 |
55:62 |
51:53 |
| Number of agglutinating rheumatoid factor-positive |
142 |
56 |
68 |
| (%) |
63 |
85 |
84 |
| IgM-rheumatoid factor-positive (%) |
74 |
98 |
96 |
| Median level (U/ml) |
114 |
247 |
184 |
| IgA-rheumatoid factor-positive (%) |
73 |
97 |
87 |
| Median level (U/ml) |
45 |
83 |
58 |
| IgG anti-CCP-positive (%) |
64 |
100 |
100 |
| Median level among positive cases (U/ml) |
520 |
1017 |
222 |
|
IgA anti-CCP, IgA-class antibodies against cyclic citrullinated peptides; IgG anti-CCP, IgG-class antibodies against cyclic citrullinated peptides | |||
Svärd et al. Arthritis Research & Therapy 2008 10:R75 doi:10.1186/ar2449 |
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