Risk Factors for Worsening of Bone Loss in Patients Newly Diagnosed with Inflammatory Bowel Disease

Table 2

Montreal classification.

Crohn’s disease,	384 (60.1)
Age
A1 (≤16)	55 (14.3)
A2 (17-39)	212 (55.2)
A3 (≥40)	117 (30.5)
Location
L1 (ileal)	114 (29.7)
L2 (colonic)	103 (26.8)
L3 (ileocolonic)	167 (43.5)
+L4 (upper disease)	6 (1.6)
Behaviour
B1 (nonstricturing, nonpenetrating)	268 (69.8)
B2 (stricturing)	59 (15.4)
B3 (penetrating)	57 (14.8)
+p (perianal disease)	86 (22.4)
Ulcerative colitis,	255 (39.9)
Proctitis	45 (17.6)
Left-sided colitis	89 (34.9)
Extensive colitis	121 (47.5)