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Sarcopenia, osteoporosis and the burden of prevalent vertebral fractures: a cross-sectional study of 350 women with hip fracture

M. Di Monaco, C. Castiglioni, F. Bardesono, E. Milano, G. Massazza

European Journal of Physical and Rehabilitation Medicine, 2020

350 participants · 31 citations

Abstract

BACKGROUND

The concurrent presence of sarcopenia and osteoporosis may enhance fracture risk.

AIM

To evaluate the association between sarcopenia, osteoporosis, or the concurrent presence of both the conditions (osteosarcopenia) and the burden (number and severity) of vertebral fractures in women with hip fracture.

DESIGN

Cross-sectional study.

POPULATION

We studied 350 women with subacute hip fracture.

METHODS

Lateral radiographs of the spine were taken 18.2±4.5 days after fracture occurrence and the spine deformity index (SDI) was calculated. Body composition was assessed by dual-energy x-ray absorptiometry. Low muscle mass was identified with appendicular lean mass <15.02 kg and low bone mineral density with a femoral T-score <-2.5.

RESULTS

The presence of sarcopenia (P=0.033) and osteoporosis (P=0.032) was associated with the SDI scores independently of each other and independently of age, percentage of body fat and hip-fracture type. The 350 women were categorized into 3 groups according to the absence of both osteoporosis and sarcopenia (N=25), presence of either osteoporosis or sarcopenia (N=95) or presence of osteosarcopenia (N=230). We found a significant difference in SDI scores across the 3 groups: x² (2, N=350) = 15.29; P<0.001. The categorization of the 350 women into the 3 groups was associated with the SDI scores (P=0.001) independently of age, percentage of body fat and hip-fracture type.

CONCLUSIONS

Both osteoporosis and sarcopenia were independently…

How strong is the evidence?

Evidence Hub reads this as a cross-sectional, done in people. Its evidence level is 4 of 5 (Low · observational). Observational designs can show an association but not prove cause. Reported size: 350 participants or records.

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