Table 2. Kruis criteria for IBS (score>44=IBS).

Pain, flatulence, or bowel irregularity	34
Duration of symptoms >2  years	16
Description of abdominal pain (burning to "not so bad")	23
Alternating diarrhea and constipation	14
Red flags
Abnormal physical findings or history pathognomonic other disease	−47
ESR >10 mm/h	−13
WBC > × 109	−50
Anemia	−98
History of blood in stool	−98

ESR, erythrocyte sedimentation rate; IBS, irritable bowel syndrome; WBC, white blood cell.