Table 2.

Patient information and distribution by hospital (PPS population)

Hospital no.	No. of patients	Number with risk factor			No. of patients treated with acetaminophen
		Poorly controlled diabetes	Current drug therapy for respiratory tract disease	Current use of a drug that suppresses immune function
1	1		1		1
2	1		1
3	1		1	1
4	1			1	1
5	1		1
6	2	1	1
7	1		1		1
8	1		1		1
9	2		1	1
10	1		1
11	1			1	1
12	1		1		1
13	1		1
14	1		1	1	1
15	0
16	1		1
17	1		1
18	1		1		1
19	2		2
20	3		3	2	1
21	1		1	1
22	1		1		1
23	6		5	1	6
24	2		2		2
25	3	3			1
Total	37	4	29	9	19