Kruis 评分（IBS）

括号内为勾选后计入的分数（权重）。

症状

Symptoms of abdominal pain, flatulence, or bowel irregularity (+34) Symptom duration >2 years (+16) Pain described as burning, cutting, very strong, terrible, pressure, dull, boring, or “not so bad” (+23) Alternating constipation and diarrhea (+14)

红旗征（病史/化验）

Abnormal physical findings or history pathognomonic of other disease (-47) ESR >10 mm/hr (-13) WBC >10,000/µL (-50) Hemoglobin below reference (female <12 g/dL; male <14 g/dL) (-98) History of blood in stool (-98)