Table 2 Distribution of the results of 91 serum samples using the 4 Widal brands for anti-O antibodies in relation to their corresponding IgM anti-LPS ELISA results using a cut-off 1/80
Widal brand | anti -O titer ≥ 1/80 | ELISA (91) | Total | |||
|---|---|---|---|---|---|---|
| Â | Â | Positive (67) | Negative (24) | Â | ||
| Â | Â | Number | % | Number | % | Â |
Remel | Negative | 0 | 0.00 | 13 | 54.16 | 13 |
| Â | Positive | 67 | 100.00 | 11 | 45.83 | 78 |
Biosystems | Negative | 0 | 0.00 | 14 | 58.33 | 14 |
| Â | Positive | 67 | 100.00 | 10 | 41.66 | 77 |
Biotech | Negative | 2 | 2.98 | 14 | 58.33 | 16 |
| Â | Positive | 65 | 97.01 | 10 | 41.66 | 75 |
Dialab | Negative | 8 | 11.94 | 22 | 91.66 | 30 |
| Â | Positive | 59 | 88.05 | 2 | 8.33 | 61 |