|
Variable
|
No
| |
Yes
| |
OR
|
(95% CI)
|
OR
|
(95% CI)
|
|
Gender
| | | | | | |
(not in model)
|
|
Male
|
1,477
|
(47.5)
|
88
|
(48.6)
|
ref
|
-
| | |
|
Female
|
1,635
|
(52.5)
|
93
|
(51.4)
|
0.94
|
(0.70 to 1.28)
| | |
|
Age at diagnosis
| | | | | | | | |
|
< 2 yrs
|
82
|
(2.6)
|
18
|
(9.9)
|
3.62
|
(2.07 to 6.36)
|
5.71
|
(3.01 to 10.80)
|
|
2 to 14 yrs
|
972
|
(31.2)
|
32
|
(17.8)
|
0.54
|
(0.36 to 0.83)
|
0.70
|
(0.44 to 1.11)
|
|
15 to 24 yrs
|
469
|
(15.1)
|
20
|
(11.0)
|
0.70
|
(0.43 to 1.16)
|
0.88
|
(0.51 to 1.52)
|
|
25 to 59 yrs
|
1,321
|
(42.4)
|
80
|
(44.2)
|
ref
|
-
|
ref
|
-
|
|
60 yrs or older
|
268
|
(8.6)
|
31
|
(17.1)
|
1.84
|
(1.19 to 2.87)
|
0.96
|
(0.58 to 1.57)
|
|
Co-morbidity at risk for complications
| | | | | | | | |
|
No
|
2,562
|
(82.3)
|
89
|
(49.2)
|
ref
|
-
|
ref
|
-
|
|
Yes
|
550
|
(17.7)
|
92
|
(50.8)
|
4.82
|
(3.53 to 6.57)
|
4.94
|
(3.29 to 7.40)
|
|
Number of co-morbidities at risk
| | | | | | |
(not in model)
|
|
0
|
2,562
|
(82.3)
|
89
|
(49.2)
|
ref
|
-
|
|
1
|
443
|
(14.2)
|
70
|
(38.7)
|
4.55
|
(3.27 to 6.32)
|
|
2 or 3
|
107
|
(3.4)
|
22
|
(12.1)
|
5.92
|
(3.57 to 9.81)
|
|
Specific co-morbidity at risk for complications*
| | | | | | |
(not in model)
|
|
Cardiac disease
|
178
|
(5.7)
|
28
|
(15.6)
|
3.04
|
(1.97 to 4.68)
|
|
Respiratory disease
|
290
|
(9.3)
|
54
|
(30.0)
|
4.17
|
(2.95 to 5.89)
|
|
Diabetes mellitus
|
112
|
(3.6)
|
17
|
(9.4)
|
2.79
|
(1.64 to 4.77)
|
|
Chronic renal insufficiency
|
9
|
(0.3)
|
3
|
(1.7)
|
5.84
|
(1.57 to 21.82)
|
|
Reduced resistance against infections
|
59
|
(1.9)
|
9
|
(5.0)
|
2.72
|
(1.33 to 5.59)
|
|
Children using salicylates
|
13
|
(0.4)
|
1
|
(0.6)
|
1.33
|
(0.17 to 10.24)
|
|
Third trimester of pregnancy
|
12
|
(0.4)
|
3
|
(1.7)
|
4.38
|
(1.22 to 15.68)
|
|
Complicated course of illness
| | | | | | | | |
|
No
|
2,810
|
(90.3)
|
159
|
(87.8)
|
ref
|
-
|
ref
|
-
|
|
Yes
|
302
|
(9.7)
|
22
|
(12.2)
|
1.29
|
(0.81 to 2.04)
|
0.95
|
(0.57 to 1.58)
|
|
Contacts with GP in 2009
| | | | | |
-
|
(not in model)
|
|
<6
|
1,850
|
(59.4)
|
86
|
(47.5)
|
ref
| |
|
6 or more
|
1,262
|
(40.6)
|
95
|
(52.5)
|
1.62
|
(1.20 to 2.19)
|
|
Prescriptions in 2009 †
| | | | | | | | |
|
<8
|
2,300
|
(73.9)
|
92
|
(50.8)
|
ref
|
-
|
ref
|
-
|
|
8 or more
|
812
|
(26.1)
|
89
|
(49.2)
|
2.74
|
(2.03 to 3.71)
|
1.36
|
(0.89 to 2.09)
|
