Table 2 |
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|
Mean annual hospitalisation incidences per 1.000 children by age and risk-groups in children under two years of age with RSV bronchiolitis in Akershus, Norway, 1993–2000 |
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|
Children <1 year |
Children 1–2 years |
Children 0–2 years |
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|
|
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|
Yeara |
Popd |
Adm |
Inc |
Popd |
Adm |
Inc |
Popd |
Adm |
Inc |
|
|
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|
All 93–94 |
4.027 |
70 |
17.4 |
4.195 |
16 |
3.8 |
8.222 |
86 |
10.5 |
|
All 94–95 |
3.999 |
53 |
13.3 |
4.192 |
25 |
6.0 |
8.191 |
78 |
9.5 |
|
All 95–96 |
3.994 |
112 |
28.0 |
4.132 |
30 |
7.3 |
8.126 |
142 |
17.5 |
|
All 96–97 |
4.055 |
80 |
19.7 |
4.143 |
22 |
5.3 |
8.198 |
102 |
12.4 |
|
All 97–98 |
4.154 |
115 |
27.7 |
4.242 |
57 |
13.4 |
8.396 |
172 |
20.5 |
|
All 98–99 |
4.178 |
70 |
16.8 |
4.350 |
15 |
3.4 |
8.528 |
85 |
10.0 |
|
All 99–00 |
4.127 |
120 |
29.1 |
4.391 |
37 |
8.4 |
8.518 |
157 |
18.4 |
|
All 93–2000 |
28.534 |
620 |
21.7 |
29.645 |
202 |
6.8 |
58.179 |
822 |
14.1 |
|
Prematureb 93–2000 |
1.999c |
47 |
23.5 |
1.955c |
17 |
8.7 |
3.954c |
64 |
16.2 |
|
Trisomy 21 93–2000 |
52 |
8 |
153.8 |
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|
|
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|
aStudy period February 5th, 1993 to January 31th, 2000 bBorn at <37 weeks of gestational age cNumber of children born at <37 weeks of gestation and corrected for a mean infant mortality rate of 2.4% during the neonatal period dBackground population for selected risk groups |
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|
Fjaerli et al. BMC Pediatrics 2004 4:25 doi:10.1186/1471-2431-4-25 |
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