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Bone loss and fracture in people with multiple sclerosis: A systematic review and meta-analysis
Mohammad Yazdan Panah1, Saeed Vaheb2, Elham Moases Ghaffary2
1Student Research Committee, Shahrekord University of Medical Sciences, Shahrekord, Iran; Isfahan Neurosciences Research Center, Isfahan University of Medical Sciences, Isfahan, Iran.
Background:
People with multiple sclerosis (PwMS) exhibit reduced bone mineral density (BMD) across several anatomical regions. Studies have indicated that PwMS are at a heightened risk of fractures due to decreased BMD and increased prevalence of osteopenia and osteoporosis. This study aimed to investigate the prevalence and risk of osteopenia, osteoporosis, and fracture among PwMS.
Methods:
Relevant studies were identified through comprehensive searches of databases (PubMed/MEDLINE, Scopus, Embase, and Web of Science) from January 1, 2000, to January 21, 2024. R software version 4.4.0 and random-effects models were employed to estimate the pooled prevalence, odds ratio (OR), and risk ratio (RR) of osteopenia, osteoporosis, and fracture among PwMS, along with their respective 95 % confidence intervals (CIs).
Results:
From a total of 2039 articles, 51 studies with 1,503,785 PwMS met our inclusion criteria. The pooled prevalence of osteopenia, osteoporosis, and overall fracture among PwMS was 41.41 % (95 % CI: 36.14% to 46.69 %, I2=97 %), 14.21 % (95 % CI: 10.75 % to 17.68 %, I2=99 %), and 12.84 % (95 % CI: 8.49 % to 17.19 %, I2 = 100 %), respectively. The likelihood of osteopenia (OR=2.02, 95 % CI: 1.46 to 2.8, p-value<0.01, I2=17 %) and osteoporosis (OR=1.71, 95 % CI: 1.27 to 2.31, p-value<0.01, I2=74 %), as well as the probability of overall fracture (RR=1.86, 95 % CI: 1.61 to 2.14, p-value<0.01, I2=74 %) were significantly higher in PwMS than healthy controls (HCs).
Conclusion:
PwMS were at a substantially increased risk of developing osteopenia (2-fold), osteoporosis (1.7-fold), and overall fractures (1.9-fold). Well-designed studies are needed to explore these associations further.
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