Lactose Malabsorption and Lactose Intolerance in Children with Inflammatory Bowel Diseases

Table 2

Paris classification.

	Symbol	Description	(%)
Crohn’s disease
Age of diagnosis	A1a	0–<10 years	6 (14%)
	A1b	10–17 years	35 (81.4%)
	A2	17-40 years	2 (4.6%)
	A3	>40 years	—
Location	L1	Distal 1/3 ileum (±limited cecal disease)	20 (46.5%)
	L2	Colonic	6 (13.9%)
	L3	Ileocolonic	13 (30.3%)
	L4a	Upper disease proximal to ligament of Treitz	12 (27.9%)
	L4b	Upper disease distal to ligament of Treitz and proximal to distal 1/3 ileum	6 (13.9%)
Behaviour	B1	Nonstricturing; Nonpenetrating	31 (72.1%)
	B2	Stricturing	9 (20.9%)
	B3	Penetrating	3 (7%)
	p	Perianal disease modifier	7 (16.3%)
Growth	G0	No evidence of growth delay	31 (72.1%)
	G1	Growth delay	12 (27.9%)
Ulcerative colitis
Extent	E1	Ulcerative proctitis	6 (19.4%)
	E2	Left-sided UC (distal to splenic flexure)	10 (32.2%)
	E3	Extensive (hepatic flexure distally)	6 (19.4%)
	E4	Pancolitis (proximal to hepatic flexure)	9 (29%)
Severity	S0	Never severe	24 (77.4%)
	S1	Ever severe	7 (22.5%)