Managing osteoporosis in ulcerative colitis: Something new?

Table 1 Montreal classification of extent and severity of ulcerative colitis

Extent	Anatomy	Severity	Definition
E1: Ulcerative proctitis	Limited to the rectum	S0: Clinical remission	Asymptomatic
E2: Left sided (distal) ulcerative colitis	Limited to a proportion of the colorectum distal to the splenic flexure	S1: Mild	≤ 4 stools/d (with or without blood), absence of systemic illness, and normal inflammatory markers
E3: Extensive (pancolitis) ulcerative colitis	Extends proximally to the splenic flexure	S2: Moderate	> 4 stools/d but minimal signs of systemic toxicity
		S3: Severe	≥ 6 bloody stools/day, pulse ≥ 90 beats/min, temperature ≥ 37.5 °C, haemoglobin < 1.05 g/L, and erythrocyte sedimentation rate ≥ 30 mm in the first hour

Adapted from: Ford et al[1].