Case Report
A Case of Initially Undiagnosed Chikungunya Arthritis Developing into Chronic Phase in a Nonendemic Area
Table 1
Summary of laboratory investigations.
| | Investigations | First presentation | 8 weeks later | Normal range |
| | Haemoglobin (g/dL) | 14.1 | 13.2 | 11.7–14.9 | | White cell count (×109/L) | 5.6 | 11.3 | 3.7–9.2 | | Lymphocytes (×109/L) | 0.7 | 2.0 | 1.0–3.1 | | Neutrophils (×109/L) | 4.4 | 8.4 | 1.7–5.8 | | Platelets (×109/L) | 256 | 435 | 145–370 | | C-reactive protein (mg/L) | 33 | 142 | <5 | | GGT (IU/L) | 258 | 383 | 6–42 | | ALP (IU/L) | 143 | 391 | 34–79 | | ALT (IU/L) | 109 | 326 | 8–36 | | AST (IU/L) | 95 | 212 | <32 | | Ferritin (ρmol/L) | 345 | 993 | 14–535 | | Total protein (μmol/L) | 80 | 80 | 66–80 | | Total bilirubin (μmol/L) | 7 | 11 | 5–27 | | Urea (μmol/L) | 2.8 | 4.1 | 3.0–7.4 | | Creatinine (μmol/L) | 48 | 40 | 47–82 | | CHIKV IgM | Negative | Positive | — | | CHIKV polyvalent antibody | 1 : <10 | 1 : 1280 | — | | CHIKV-PCR | Positive (reexamined) | — | — |
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