Table 1

Characteristics of the patients and healthy controls

CharacteristicHealthy controlsLURA cohortEIRA cohortDisease controls
Number152134259236
Median age (range)57 (23–71)58 (20–84)56 (20–70)47 (18–85)
Sex (female/male ratio)107/4591/43187/72115/121
Anti-CCP2 positive (%)5 (3.3%)88 (66%)135 (52%)10 (4%)
Any SE positive (%)NA78/103 (73%)*174/241 (72%)†NA
  • *30 missing data.

  • †18 missing data.

  • SE, shared epitope.