J Bone Metab.  2016 May;23(2):55-61. 10.11005/jbm.2016.23.2.55.

Inadequate Dietary Calcium and Vitamin D Intake in Patients with Osteoporotic Fracture

Affiliations
  • 1Department of Internal Medicine, Wonkwang University Sanbon Hospital, Wonkwang University College of Medicine, Gunpo, Korea. hykimmd@hanmail.net
  • 2Department of Orthopaedic Surgery, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea.
  • 3Department of Orthopaedic Surgery, Chung-Ang University College of Medicine, Seoul, Korea.

Abstract

BACKGROUND
Inadequate calcium and vitamin D intake is a possible risk factor of osteoporosis. Our purposes were to estimate calcium and vitamin D intake in women with osteoporotic fractures, to determine associated factors for low calcium and vitamin D intake, and to evaluate the effects of calcium and vitamin D intake on bone mineral density (BMD).
METHODS
This is a multicenter, hospital-based, and cross-sectional study involving 277 women with osteoporotic fractures. Dietary calcium and vitamin D intake were evaluated using the Korean Calcium Assessment Tool (KCAT) self-reported questionnaire. BMD was measured by dual energy X-ray absorptiometry (DXA) in the lumbar spine and femoral neck.
RESULTS
Average daily calcium and vitamin D intake was 503.7±274.7 mg and 7.5±12.6 µg, respectively. Patients with low calcium intake had less family history of osteoporosis and were older. There was a negative correlation between age and calcium intake (r=-0.14; P=0.019). In multivariate analysis, calcium intake showed a positive correlation with BMD of femoral neck (β=0.0005, P=0.021).
CONCLUSIONS
About 80% of patients with osteoporotic fracture had calcium and vitamin D intake below the recommended dietary intake. Low calcium intake was associated with no family history of osteoporosis and older age. Dietary calcium intake showed positive effect on BMD.

Keyword

Calcium dietary; Osteoporotic fractures; Vitamin D

MeSH Terms

Absorptiometry, Photon
Bone Density
Calcium
Calcium, Dietary*
Cross-Sectional Studies
Female
Femur Neck
Humans
Multivariate Analysis
Osteoporosis
Osteoporotic Fractures*
Risk Factors
Spine
Vitamin D*
Vitamins*
Calcium
Calcium, Dietary
Vitamin D
Vitamins
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