Laboratory and immunological features
| Variables | October 2001 | February 2002 |
|---|---|---|
| VDRL, Venereal Disease Research Laboratory. | ||
| Haemoglobin (g/l) | 110 | 105 |
| White blood cells (×109/l) | 3.9 | 3.65 |
| Platelets (×109/l) | 90 | 75 |
| ESR (mm/1st h) | 50 | 65 |
| C reactive protein (mg/l) | 56 | 75 |
| Antinuclear antibodies (titre) | 1/1280 | 1/1280 |
| IgM rheumatoid factor (titre) | 1/640 | 1/640 |
| Anti-Sm antibodies | Positive | Negative |
| VDRL test | Positive | Not done |
| Lupus anticoagulant | Positive | Not done |
| Direct Coombs test | Positive | Negative |