Research Article
Ulcerative Colitis and Its Association with Salmonella Species
Table 2
Positivity for Salmonella Typhi and Paratyphi A by Widal test, Vi antibody, and nested PCR methods in the study population.
(a) |
| | Number of study subjects | Nested PCR | Vi positivity | Widal titre | Study groups | Positivity |
(titre ≥ 1 : 160) | TO | TH | AH | | No. | % | No. | % | No. | % | No. | % | No. | % |
| Ulcerative colitis (UC) | 59 | 47 | 79.7 | 4 | 6.8 | 11 | 18.6 | 23 | 39.0 | 2 | 3.4 | Irritable bowel syndrome (IBS) | 127 | 84 | 66.1 | 14 | 11.0 | 12 | 12.6 | 86 | 67.7 | 2 | 1.6 | Colon cancer (CC) | 28 | 15 | 53.6 | 3 | 10.7 | 10 | 35.5 | 16 | 57.1 | 1 | 3.6 | Apparently healthy controls (HC) | 190 | 31 | 16.3 | 23 | 12.1 | 29 | 15.3 | 24 | 12.6 | 2 | 2.1 |
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(b) |
| Nested PCR | UC | Vs | IBS | | | UC | Vs | CC | | | UC | Vs | HC | | | IBS | Vs | CC | | | IBS | Vs | HC | | | CC | Vs | HC | | |
| ViAb | UC | Vs | IBS | | | UC | Vs | CC | | | UC | Vs | HC | | | IBS | Vs | CC | | | IBS | Vs | HC | | | CC | Vs | HC | | |
| Widal |
| TO | UC | Vs | IBS | | | UC | Vs | CC | | | UC | Vs | HC | | | IBS | Vs | CC | | | IBS | Vs | HC | | | CC | Vs | HC | | |
| TH | UC | Vs | IBS | | | UC | Vs | CC | | | UC | Vs | HC | | | IBS | Vs | CC | | | IBS | Vs | HC | | | CC | Vs | HC | | |
| AH | UC | Vs | IBS | | | UC | Vs | CC | | | UC | Vs | HC | | | IBS | Vs | CC | | | IBS | Vs | HC | | | CC | Vs | HC | | |
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