Vasculitis & polymyalgia rheumatica

Associations between circulating interleukin-17 levels and Behcet's disease and between IL-17 gene polymorphisms and disease susceptibility: a meta-analysis

Clin Exp RheumatolPublished Systematic review and meta-analysis

Pooled result · Circulating IL-17 levelsResult — go to the resultSMD 1.422 95% CI 0.689–2.155

Authors' conclusion

This meta-analysis revealed significantly higher circulating IL-17 levels in BD patients and showed evidence of associations between IL17A rs4711998 and rs8193036 polymorphisms and BD.

Study context

Population
Patients with Behçet's disease and controls; studies from Medline, Embase and Cochrane databases12 studies
Participants
901 vs 1,131
Comparison
Behçet's disease (BD) patients vs controls
  • BDn = 901
  • Controlsn = 1,131reference
Outcome
Circulating (serum/plasma) IL-17 levels

Pooled result

Circulating IL-17 levels

SMD

1.422

95% CI 0.689–2.155

P < 0.001

BDvs Controls
SMD 1.422 (95% CI 0.689–2.155); P < 0.001

As reported in the abstract

Further pooled results

OutcomeOR (95% CI)P value
IL17A rs4711998 polymorphism and BD1.347 (1.043–1.741)P < 0.001
IL17A rs8193036 polymorphism and BD0.691 (0.542–0.880)P = 0.003

IL-17 levels by data type (subgroup)

Higher IL-17 levels in BD in both original and calculated data populations

IL-17 levels, active vs inactive disease

No significant differences in IL-17 levels between active and inactive disease

IL17A rs2275913, IL17F rs763780 and rs2397084 polymorphisms and BD

No evidence of associations with BD

Original publication

Associations between circulating interleukin-17 levels and Behcet's disease and between IL-17 gene polymorphisms and disease susceptibility: a meta-analysis. Clin Exp Rheumatol. Published 17 May 2023. doi:10.55563/clinexprheumatol/sh84va

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