Vasculitis & polymyalgia rheumatica

Concordance of relapse symptoms in patients with giant cell arteritis

Semin Arthritis RheumPublished Retrospective cohort study

Study context

Population
Patients diagnosed with giant cell arteritis (GCA)median follow-up 5.3 years
Participants
510 patients
Exposure
C1 vs C2 vs C3 vs C4
  • C1n = 286
  • C2n = 110
  • C3n = 114
  • C4n = 510
Outcome
Concordance of symptoms between initial presentation, first relapse and second relapse
Methodological detailsthree cohorts and aggregate cohort, odds ratios and conditional probabilities
  • Three cohorts and aggregate cohort
  • Odds ratios and conditional probabilities

Main finding

As reported in the abstract

Symptom concordance at relapse

Patients relapsing with a symptom category absent at baseline

≈20%

Observational data: associations, not effects.

Further findings

At least 1 relapse; 5-year first relapse rate (all 510 patients)

Patients with at least 1 relapse
303
5-year first relapse rate
66% (95% CI 60-70%)

At least 2 relapses; 5-year second relapse rate (all 510 patients)

Patients with at least 2 relapses
160
5-year second relapse rate
36% (95% CI 31-41%)

Original publication

Concordance of relapse symptoms in patients with giant cell arteritis. Semin Arthritis Rheum. Published 14 August 2025. doi:10.1016/j.semarthrit.2025.152814

Composed by AI from the published abstract and checked against it. How Briefs are made →

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