Table 1.

Characteristics of study participants

Known
CF/CRMS
Referred for
Sweat Test
Total number4422
Center 1166
Center 2207
Center 385
Center 404
Female sex, no. (%)25 (57)14 (64)
Age, y, mean ± SD16.1 ± 10.119.2 ± 24.1
Age range31 d to 50 y18 d to 69 y