Vasculitis & polymyalgia rheumatica

Elevated serum uric acid is a predictor of pulmonary artery involvement and subsequent prognosis in patients with Takayasu's arteritis

Clin Exp RheumatolPublished Cohort study

Main finding · Incidence of PAI, serum UA level ≥284.5 umol/L (multivariate logistic regression)Result — go to the resultOdds ratio 2.108 95% CI 1.063–4.180

Authors' conclusion

Elevation of serum UA level was associated with an increasing risk of PAI and PAI-related adverse event in patients with TAK

Study context

Population
Patients with TAK144 followed up
Participants
166 patients
Exposure
Serum uric acid (UA) level ≥284.5 umol/L vs lower (PAI incidence); serum UA level ≥328.1 umol/L vs <328.1 umol/L (PAI-related prognosis)
  • PAIn = 76
  • Without PAIn = 90reference
Outcome
Predictive value of UA in prognosis of PAI in TAK
Methodological detailsmultivariate logistic regression, Kaplan-Meier survival analysis, multivariate Cox proportional hazard regression
  • Multivariate logistic regression
  • Kaplan-Meier survival analysis
  • Multivariate Cox proportional hazard regression

Main finding

As reported in the abstract

Incidence of PAI, serum UA level ≥284.5 umol/L (multivariate logistic regression)

Odds ratio

2.108

95% CI 1.063–4.180

P = 0.033

UA ≥284.5 umol/L
OR 2.108 (95% CI 1.063–4.180); P = 0.033

Observational data: associations, not effects.

Further findings

PAI-related adverse events, serum UA level ≥328.1 umol/L

HR (95% CI)P value
UA ≥328.1 umol/L2.595 (1.198–5.622)P = 0.016
OutcomeP value
PAI-related adverse events, serum UA level ≥328.1 umol/LUA ≥328.1 umol/L vs UA <328.1 umol/L · significantly higher cumulative incidenceP = 0.008
  • PAI-related adverse events, serum UA level ≥328.1 umol/L: multivariate Cox regression; PAI-related prognostic risk factor

Original publication

Elevated serum uric acid is a predictor of pulmonary artery involvement and subsequent prognosis in patients with Takayasu's arteritis. Clin Exp Rheumatol. Published 3 March 2024. doi:10.55563/clinexprheumatol/cv6z35

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