Characteristics of the 7 patients who tested positive for antibodies to hepatitis C virus.
| Patient | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
|---|---|---|---|---|---|---|---|
| Sex | F | F | F | F | F | F | F |
| Age, yrs | 53 | 47 | 54 | 59 | 62 | 53 | 60 |
| Place of birth | France | France | France | Togo | France | Vietnam | Portugal |
| HCV infection known at inclusion | Yes | Yes | No | No | Yes | Yes | No |
| Transfusion | Yes | No | No | ND | Yes | No | Yes |
| Previous surgery | ND | ND | ND | ND | Yes | ND | Yes |
| Extraarticular symptoms | Neuropathic pain | Xerostomy | |||||
| Arthritis ≥ 3 joints | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| CRP ≤ 6 mg/l | 0 | 0 | 0 | 66 | 18 | 0 | 30 |
| ASAT ≤ 40 IU | 41 | 35 | 29 | 20 | 83 | 32 | 39 |
| ALAT ≤ 40 IU | 34 | 32 | 35 | 7 | 117 | 35 | 31 |
| GGT ≤ 40 IU | 34 | 89 | 13 | 15 | 27 | 25 | 8 |
| Positive IgM RF | Yes | No | No | Yes | Yes | No | Yes |
| Anti-CCP | 0 | 0 | 0 | 982 | 0 | 0 | 0 |
| X-ray erosions | Yes | No | No | No | No | No | No |
| Arthritis diagnosis | Unclassified | HCV-related + CG | HCV-related | RA | Unclassified | HCV-related | HCV-related |
HCV: hepatitis C virus; CRP: C-reactive protein; ASAT: aspirate aminotransferase; ALAT: alanine aminotransferase; GGT: gamma-glutamyltransferase; RF: rheumatoid factor; CCP: cyclic citrullinated peptide; RA: rheumatoid arthritis; CG: cryoglobulinemia.