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. Author manuscript; available in PMC: 2010 Jun 30.
Published in final edited form as: Am J Med. 2009 Jul;122(7):599–604. doi: 10.1016/j.amjmed.2009.01.022

Table 1.

Risk Factors for Osteoporosis in Inflammatory Bowel Disease

Increasing age
Use of corticosteroids
Malnutrition
Low BMI
Malabsorption of vitamin D, calcium, and vitamin K
Immobilization
Previous fragility fracture
Hypogonadism
Smoking
Chronic inflammatory state including imbalance of the RANK-
RANKL OPG system

Abbreviations: BMI = body mass index; RANK = receptor activator of NF-κB; RANKL = receptor activator of NF-κB ligand; OPG = osteoprotegerin.