Table 7.
Distribution of the results of 91 serum samples using the 4 Widal brands for anti-H antibodies in relation to their corresponding IgM anti-LPS ELISA results using a cut-off 1/160
| Widal brand | anti-H titer ≥ 1/160 |
ELISA (91) | Total | |||
|---|---|---|---|---|---|---|
| Positive (67) | Negative (24) | |||||
| Number | % | Number | % | |||
| Remel | Negative | 11 | 16.41 | 5 | 20.83 | 16 |
| Positive | 56 | 83.58 | 19 | 79.16 | 75 | |
| Biosystems | Negative | 13 | 19.4 | 7 | 29.16 | 20 |
| Positive | 54 | 80.59 | 17 | 70.83 | 71 | |
| Biotech | Negative | 18 | 26.86 | 13 | 54.16 | 31 |
| Positive | 49 | 73.13 | 11 | 45.83 | 60 | |
| Dialab | Negative | 30 | 44.77 | 22 | 91.66 | 52 |
| Positive | 37 | 55.22 | 2 | 8.33 | 39 | |