Mount Carmel Health Partners Clinical Guidelines Osteoporosis | Page 3
Table B: WHO Definition of Osteoporosis Based on BMD
Classification
BMD
T-Score
Normal Within 1 SD of the mean level for a young adult
reference population At -1.0 and above
Low Bone Mass
(Osteopenia) Between 1.0 and 2.5 SD below that of the mean level
for a young adult reference population Between -1.0 and -2.5
Osteoporosis 2.5 SD or more below that of the mean level for a young At or below -2.5
adult reference population
Severe or Established Osteoporosis 2.5 SD or more below that of the mean level for a young At or below-2.5 with one or
adult reference population
more fractures
Table C: Secondary Causes of Osteoporosis
Acromegaly Epidermolysis bullosa Leukemia
Amyloidosis Gastrectomy Lymphoma
Ankylosing spondylitis Hemochromatosis Malabsorption syndrome
Celiac disease Hemophilia Mastocytosis
Chronic active hepatitis Hyperparathyroidism Multiple myeloma
Chronic obstructive pulmonary disease Hyperprolactinemia Multiple sclerosis
Congenital porphyria Hyperthyroidism Pernicious anemia
Cushing's syndrome Hypogonadism Rheumatoid arthritis
Diabetes mellitus Idiopathic scoliosis Sarcoidosis
Eating disorders Inflammatory bowel disease Sickle cell anemia
Endometriosis
Thalassemia
Table D: Risk Factors for Osteoporosis
Non-Modifiable
Potentially Modifiable
Dietary — low body weight (< 127 lbs or BMI < 20)
Inadequate calcium and/or vitamin D
Excessive phosphate/protein
Caucasian/European or Asian Ethnicity
Increasing Age and Female Lifestyle — lack of weight-bearing exercise, sedentary
Nulliparity Social — current tobacco use, > 2 alcoholic drinks/day
Family History of Osteoporosis including
kyphosis, previous fragility fractures, and
low trauma fracture after 50 Medication — Long-term use of corticosteroids, excess thyroid hormone
replacement, chronic heparin or anti-seizure medication use, chemotherapy,
tamoxifen, lithium, radiation therapy
Table E: Institutes of Medicine Recommended Allowances for Calcium and Vitamin D
Calcium Vitamin D
Age Recommended
Dietary Allowance
(mg/day) Recommended
Dietary Allowance
(intl. units/day)
9 to 18 1,300 600
19 to 50 1,000 600
51 to 70 1,200 600
71 and up 1,200 800
Osteoporosis - 3