Table 1 Antibody titers of the 150 clinically diagnosed typhoid fever cases in the first serum samples using 4 different Widal brands
Widal brand | Total No. of positive samples (%) | No. of samples with given reciprocal titer | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Â | Â | Â | 80 | Â | 160 | Â | 320 | Â | 640 | Â | 1280 | Â |
| Â | O | H | O | H | O | H | O | H | O | H | O | H |
Remel | 131 (87.34) | 141 (94.00) | 23 | 14 | 42 | 60 | 45 | 32 | 19 | 25 | 2 | 10 |
Biosystems | 129 (86.00) | 136 (90.66) | 32 | 15 | 47 | 60 | 35 | 35 | 13 | 18 | 2 | 8 |
Biotech | 125 (83.34) | 129 (86.00) | 28 | 25 | 59 | 55 | 30 | 25 | 8 | 20 | 0 | 4 |
Dialab | 103 (68.67) | 106 (70.66) | 46 | 42 | 49 | 41 | 8 | 22 | 0 | 1 | 0 | 0 |