Spondyloarthritis & psoriatic arthritis

Vitamin D in psoriatic arthritis – A systematic review and meta-analysis

Semin Arthritis RheumPublished Systematic review and meta-analysis

Authors' conclusion

In conclusion, PsA patients have lower vitamin D levels than the general population.

Study context

Population
Studies assessing 25(OH)D3 levels in PsA with healthy or psoriasis (Pso) control groups4 + 5 studies
Comparison
PsA vs healthy controls and vs Pso patients
  • Healthy controlsn = 287reference
  • Pson = 391reference
Outcome
Vitamin D (25(OH)D3) levels
Methodological detailsrandom effects model, inverse variance weighting, Included studies had moderate to low risk of bias
  • Random effects model
  • Inverse variance weighting
  • Included studies had moderate to low risk of bias

Pooled result

As reported in the abstract

Vitamin D levels
MD (95 % CI)P value
PsA vs Healthy controls4 studies; 264 PsAvs 287 healthy controls
−6.42(−8.31 to −4.53)
P < 0.01
PsA vs Pso5 studies; 225 PsAvs 391 Pso
2.37(0.97–3.78)
P < 0.01

Original publication

Vitamin D in psoriatic arthritis – A systematic review and meta-analysis. Semin Arthritis Rheum. Published 1 April 2023. doi:10.1016/j.semarthrit.2023.152200

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