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Clinical Symptoms Prior to Diagnosis (N = 266)
| Clinical Symptom | Proportion of Respondents |
| Bloating, abdominal pain | 73.9% |
| Diarrhea | 71.3% |
| Extreme weakness or fatigue | 66.3% |
| Weight loss | 64.0% |
| Large pale stools | 55.0% |
| Joint pains | 29.0% |
| Nausea | 27.0% |
