| | |
Study population
|
All patients 2003-2006
| |
|---|
| | |
N
|
%
|
N
|
%
|
p-value
|
|---|
|
Age
|
0 year
|
94
|
31.8%
|
492
|
29.7%
| |
| |
1-4 year
|
145
|
49.0%
|
760
|
45.8%
| |
| |
≥5 year
|
57
|
19.3%
|
406
|
24.5%
| |
|
Median
| |
1
|
years
|
2
|
years
|
p = 0.103
|
|
Sex
|
Male
|
179
|
60.5%
|
931
|
56.2%
|
p = 0.181
|
| |
Female
|
117
|
39.5%
|
727
|
43.8%
| |
|
Duration of admission
|
<1 day
|
45
|
15.3%
|
239
|
14.4%
| |
| |
1-4 days
|
164
|
55.6%
|
875
|
52.8%
| |
| |
≥5 days
|
86
|
29.2%
|
543
|
32.8%
| |
|
Median
| |
3.6
|
days
|
3.3
|
days
|
p = 0.658
|
|
Type of hospital
|
Academic
|
15
|
5.1%
|
185
|
11.2%
|
p = 0.001
|
| |
Other
|
281
|
94.9%
|
1473
|
88.8%
| |
|
Type of diagnosis
|
Main
|
190
|
64.2%
|
1100
|
66.3%
|
p = 0.465
|
| |
Side
|
106
|
35.8%
|
558
|
33.7%
| |
|
ICD-9 code*
|
052.0
|
2
|
1.1%
|
21
|
1.9%
|
p = 0.436
|
|
main diagnosis
|
052.1
|
11
|
5.8%
|
82
|
7.5%
| |
| |
052.7
|
39
|
20.5%
|
261
|
23.7%
| |
| |
052.8
|
16
|
8.4%
|
66
|
6.0%
| |
| |
052.9
|
122
|
64.2%
|
670
|
60.9%
| |
|
ICD-9 code*
|
052.0
|
0
|
0.0%
|
1
|
0.2%
|
p = 0.489
|
|
side diagnosis
|
052.1
|
0
|
0.0%
|
7
|
1.3%
| |
| |
052.7
|
12
|
11.3%
|
72
|
12.9%
| |
| |
052.8
|
1
|
0.9%
|
17
|
3.0%
| |
| |
052.9
|
93
|
87.7%
|
461
|
82.6%
| |
|
Total
| |
296
|
100.0%
|
1658
|
100.0%
| |
- * ICD-9 code: 052.0 = postvaricella encephalitis, 052.1 = varicella (hemorrhagic) pneumonitis, 052.7 = varicella with other specified complications, 052.8 = varicella with unspecified complication, 052.9 = varicella without complication
