Table 1. Time variables over the course of the screening.

Variable (days)	Median	Range		Median	Range		Median	Range
a) Birth	3	3–19	a) to e)birth to sweat test in CF center	26	4–314*	a) to g)birth to genetically confirmed diagnosis	34	13–135
– drawing of heel prick sample
b) Drawing of heel prick sample	2	1–5
– screening for CF
c) screening for CF	13	0–37
– reporting of screening result to CF center
d) Reporting of screening result to CF center	4	0–38
– telephone call to parents
e) Telephone call to parents	2	0–16
– sweat test in CF center
f) Sweat test in CF center	7	0–63	f) to g)sweat test in CF center to genetically confirmed diagnosis	14	1–80
– arrival of blood in genetics laboratory
g) Arrival of blood in genetics laboratory	6	1–22
– genetically confirmed diagnosis

^*Outlier of 314 days to sweat test in CF center: this family emigrated to a foreign country immediately after the birth of their child, returned nearly a year later and was then offered a sweat test. The finding in this case was negative for CF. CF, cystic fibrosis