Characteristics of the 7 patients with positive screening test for hepatitis B antigen. Only one patient had a positive confirmation test (Patient 5).
| 1 | 2 | 3 | 4 | 5* | 6 | 7 | |
|---|---|---|---|---|---|---|---|
| Sex | F | M | F | F | M | F | F |
| Age | 56 | 69 | 44 | 47 | 35 | 56 | 36 |
| Place of birth | France | France | France | France | Senegal | France | Cape Verde |
| HBV infection at inclusion | No | No | No | No | Yes | No | No |
| Transfusion | No | Yes | ND | No | No | No | No |
| Extraarticular symptoms (including purpura) | Xerostomy | Xerostomy | |||||
| Arthritis ≥ 3 joints | No | Yes | Yes | No | Yes | Yes | No |
| CRP | 6 | 47 | 0 | 8 | 11 | 5 | 3 |
| ASAT | 18 | 18 | 15 | 13 | 20 | 22 | 21 |
| ALAT | 14 | 20 | 16 | 29 | 15 | 22 | 1 |
| GGT | 7 | 124 | 15 | 100 | 19 | 21 | 24 |
| Positive IgM RF | Yes | No | No | No | No | No | No |
| Anti-CCP unit | 0 | 0 | 4354 | 191 | 0 | 899 | 142 |
| X-ray erosions | No | No | No | No | No | No | No |
| Diagnosis | RA | RA | RA | RA | RA | RA | RA |
↵* Confirmed positive. 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. Normal limit for aminotransferases < 40.