Table 1b

Demographic data in the SLE cohort from the defined area

VariableSLE-defined areaMean population-defined area (1998–2007)
n total175196 259 (age >17 years)
 Females149 (85%)99 245 (51%)
Mean annual prevalence
(cases/100 000 individuals)
59
Females101 (88%)
Mean age (range)48.3 years (15–88)40.3 years (0 to 100+)