Table 5.

—Clinical Presentation at Time of Diagnosis

Clinical Presentation	Age < 12 y	Age 12-18 y	Age < 18 y	P Value
Acute respiratory symptoms	42.4	64.2	70.6	<.001
Othera	3.7	11.4	18.1	<.001
Nasal polyps/sinus disease	2.6	19.3	16.1	<.001
Family history	16.0	13.1	15.7	<.18
Steatorrhea/abnormal stools	24.7	23.9	14.6	<.001

Data given as %.

^aThis category includes idiopathic pancreatitis, male infertility.