Table 1. Distribution of sex and age for the source and study populations.

	Study Population	Source Population
	(N = 272)	(N = 41,783)
Females
% (95% CI)	66.5 (61.2–71.0)	54.5
Median age* (p25; p75)	40.1 (30.6; 52.1)	36.0 (26.0; 46.0)
Males
% (95% CI)	33.5 (28.5–39.0)	45.5
Median age* (p25; p75)	37.6 (26.7; 48.7)	35.0 (26.0; 46.0)

CI, confidence interval; p25, 25th percentile; p75, 75th percentile.

*Age in years.