Time from birth to first recorded sweat test in infants with abnormal CF NBS results. A, Total percentage of all infants, and B, proportion of infants by intervention group to get a sweat test by the indicated (week) time point. C, Total number of affected infants born in the U.S. in 2010 diagnosed via NBS and reported to the CF Foundation patient registry (n=355), graphed by week of initial sweat chloride test.
* Cumulative difference significant, (p=0.009)
** Cumulative difference significant, (p=0.010)