Table 3

Age at diagnosis in the study populations

Study populationsAge at diagnosis mean (95% CI)p Value
T-type genotypesC-type genotypes
Linköping SLE32.6 (25.7 to 39.5)38.8 (35.7 to 41.9)0.03
Uppsala SLE30.2 (25.2 to 35.3)31.3 (28.4 to 34.1)0.70
Lund SLE29.8 (26.0 to 33.6)38.9 (36.9 to 40.8)0.0003
Karolinska SLE29.7 (26.5 to 33.0)34.6 (33.0 to 36.1)0.006
All patients with SLE30.3 (28.1 to 32.4)35.9 (34.9 to 37.0)2.0×10−6
  • SLE, systemic lupus erythematosus.