Association of psoriasis and psoriatic arthritis with osteoporosis and pathological fractures

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Abstract

Background

Previous studies examining the relationship between psoriasis (Pso), osteoporosis, and pathological fractures found conflicting results.

Objective

To determine whether Pso and psoriatic arthritis (PsA) are associated with osteoporosis and fractures in US adults.

Methods

Cross-sectional study of 198,102,435 children and adults, including 183,725 with Pso and 28,765 with PsA from the 2006-2012 National Emergency Department Sample, including 20% of the emergency care visits throughout the United States.

Results

In a pooled analysis across all 7 years, patients with Pso had significantly higher odds (multivariate logistic regression; odds ratio, 95% confidence intervals) of diagnosis with osteopenia (2.86, 2.70-3.02), osteoporosis (2.97, 2.89-3.06), osteomalacia (4.40, 2.50-7.74), ankylosing spondylitis (13.34, 12.02-14.81), and pathological fractures (2.35, 2.19-2.53). Similar associations were observed for PsA. Pso was also associated with vertebral (1.17, 1.09-1.25), pelvic (1.18, 1.06-1.31), femoral (1.68, 1.60-1.78), and tibial/fibular fractures (1.28, 1.16-1.41). Whereas, PsA was associated with stress (2.87, 1.08-7.64) and vertebral (1.45, 1.24-1.70), pelvic (1.75, 1.41-2.18), femoral (2.07, 1.85-2.32), and tibial/fibular (1.60, 1.28-2.01) fractures.

Limitations

Data on severity and treatments of Pso were not available.

Conclusion

Pso and PsA were associated with osteopenia, osteoporosis, ankylosing spondylitis, and pathologic fractures.

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