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Effect of day after onset of fever on diagnosis of suspected CF cases in Songkla province, Thailand, 2011
| Days after onset | No. of patients | Positivity of suspected CF cases (%) witha: |
||
|---|---|---|---|---|
| RT-PCR | IC test | IgM ELISA | ||
| 1 | 7 | 85.7 | 100 | 0 |
| 2 | 3 | 66.7 | 66.7 | 0 |
| 3 | 5 | 40 | 100 | 0 |
| 4 | 3 | 0 | 66.7 | 66.7 (kit + 1b) |
| 5 | 5 | 20 | 60 | 80 (kit + 2b) |
| 6 | 4 | 0 | 0 | 100 |
| >6 | 8 | 0 | 0 | 87.5 |
CF, chikungunya fever; IC, immunochromatography.
No. of IC kit-positive sample.
