Table 1.

Baseline characteristics of the CF carrier and CF study cohorts

CharacteristicCF carriersCF cases
Number of subjects19,80223,557
Female sex, n (%)16,118 (81.4)12,098 (51.4)
Age at first enrollment, n (%)
  0–9 y1,662 (8.4)6,390 (27.1)
  10–17 y718 (3.6)4,613 (19.6)
  18–26 y4,810 (24.3)4,818 (20.5)
  27–35 y9,850 (49.7)3,190 (13.5)
  36–45 y2,427 (12.3)2,175 (9.2)
  ≥46 y335 (1.7)2,371 (10.1)
Enrollment/observation time, mo
  Min–max1–2041–204
  Mean (median)51.3 (42)44.0 (33)