Vertebral fractures are the most common osteoporotic fractures occurring due to low bone mineral density, as well as other risk factors. The aim of the paper is to investigate risk factors for vertebral osteoporotic fracture occurrence in postmenopausal women.
METHODS:
Retrospective analysis of data pertaining to 651 postmenopausal women obtained from the National Osteoporosis Registry of Serbia was conducted. Further analyses were performed on 217 osteoporotic women identified from those records, whereby those in the experimental group ( 110) had a vertebral fracture, while those assigned to the control group ( 107) did not. The two groups were comparable in terms of age ( 0.450; 0.01). Risk factors that could serve as the best predictors of vertebral fracture occurrence were investigated. Multivariate logistic regression analysis was used for testing effect of several factors on vertebral fracture occurrence as the dependent variable.
RESULTS:
Patients that have never suffered a vertebral fracture had a significantly higher bone mineral density ( 8.161; 0.01) in comparison to those with a verified vertebral fracture. Factors that significantly contributed to the risk of vertebral fracture were presence of kyphosis (OR 708.338; 95% CI 19.238–26.081.950), use of glucocorticoids (OR 87.618; 95% CI 9.175–836.707), and presence of comorbidities (OR 7.327; 95% CI 1.500–35.793). Moreover, a unit increase in body mass index (BMI) was found to lower the probability of vertebral fracture by a factor of 0.846. Women that entered menopause later have lower chance of suffering a vertebral fracture (OR 0.539; 95% CI 0.400–0.726).
CONCLUSION:
Lower body mass index, presence of kyphosis, use of glucocorticoids, early menopause onset, and presence of comorbidities are the factors that contribute the most to vertebral osteoporotic fracture occurrence.
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