Table 1: Characteristics of IBD patients with positive c-ANCA.

Patient Age (years)SexNationalitySymptomsPerianal disease/fistulaDiagnosisPhenotype/extentExtraintestinal manifestationsMayo score

Patient 113.2MaleSaudiDiarrhea, abdominal pain, weight lossNoCDIleocolonicArthralgiaNA
Patient 28.9MaleIndianDiarrhea, abdominal pain, weight lossYesCDIleocolonicNoNA
Patient 314.8MaleSaudiDiarrhea, abdominal pain, weight loss, fever, perianal disease, fistulaYesCDColonic NoNA
Patient 46.4MaleIndianDiarrhea, rectal bleeding, abdominal painNoUCExtensiveNo2
Patient 52MaleSaudiDiarrhea, rectal bleeding, abdominal painNoUCExtensiveNo3
Patient 66FemaleSaudi Diarrhea, rectal bleeding, abdominal painNoUCExtensiveNo3
Patient 78.8MaleSaudi Diarrhea, rectal bleedingNoUCExtensiveNo 3

CD: Crohn’s disease, UC: ulcerative colitis, and NA: not applicable.