Table 3: Comparison of cANCA positive with cANCA negative patients.

cANCA positive patients ( )cANCA negative patients ( )P value**

Age (years), mean ± SD 0.5*
Male:female6:154:700.03
Diagnosis
 Ulcerative colitis ( )4410.19
 Crohn’s disease ( )383
Disease extension (UC)
 Rectosigmoid06
 Left sided050.26
 Extensive430
Mayo score (UC)
 Score 21160.33
 Score 3325
Disease phenotype (CD)
 Colonic125
 Ileal0250.5
 Ileocolonic234
Steroid treatment71150.46
Colectomy020.73

Chi square; *Mann-Whitney U test.