Table 1

Demographic and laboratory characteristics of GRACE cohorts

Cohort characteristicsManchesterBirminghamUmeåCopenhagenParisCreteHannover
AAO (years±SD)54.5±15.057.0±14.955.9±14.448.1±15.455.4±4.345.3±11.9
Female (%)685867757477
Anti-CCP+ (%)3760686171
RF+ (%)386972664378
  • AAO, mean age at onset of symptom with SD; anti-CCP+, percentage of patients with a positive anti-cyclic citrullinated peptide titre; GRACE, Genetic Repository for AutoCure; N, number of observations; RF+, number of patients with a positive rheumatoid factor titre.