(a).
| Study groups | Number of study subjects | Positive | |
|---|---|---|---|
| Number | % | ||
| Ulcerative colitis (UC) | 59 | 32 | 54.2 |
| Irritable bowel syndrome (IBS) | 127 | 89 | 70.1 |
| Colon cancer (CC) | 28 | 20 | 71.4 |
| Apparently healthy controls (HC) | 190 | 29 | 15.2 |
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