Table 3.

Data of patient's number and severe cases in age groups.

Age	Severe AP	Patient no.	%
U20	1	24	4.2
20–29	0	36	0.0
30–39	5	75	6.7
40–49	726	7882	9.2
50–59	1352	11933	11.3
60–69	390	2344	16.6
A70	15	157	9.6
Sum	2489	22451	11.1

There was only one severe AP in patients under 30; however, the incidence of severe AP rose continuously between ages 30 and 70.