Table 1

Demographic and clinical characteristics of the 32 FDR subjects

Demographic and clinical characteristicsNumber of patients (%)
Age 18–29 years8
Age 30–50 years22
Age>50 years2
Female16 (50%)
Relationship to proband=sibling25
Relationship to proband=offspring4
Relationship to proband=both sibling and offspring3
HLA-B27 positive13

  • FDR, first-degree relative; HLA-B27, human leucocyte antigen B27.