Retrospective Study
Copyright ©The Author(s) 2015.
World J Gastroenterol. Feb 21, 2015; 21(7): 2108-2115
Published online Feb 21, 2015. doi: 10.3748/wjg.v21.i7.2108
Table 1 Mayo endoscopic score for ulcerative colitis
0Normal or inactive disease
1Mild disease: erythema, decreased vascular pattern, mild friability
2Moderate disease: marked erythema, absent vascular pattern, friability, erosions
3Severe disease:spontaneous bleeding, ulceration