Age group | Population at risk† | Number of hospitalisations | Mean weekly rate | Annual rate attributable to influenza (95% CI)‡ | |||
---|---|---|---|---|---|---|---|
Rate/100 000 population‡ | |||||||
Influenza predominant period | Baseline period | Influenza predominant period | Baseline period | Excess attributable to influenza | |||
*As per previous study.2 | |||||||
†Australian Bureau of Statistics mid-year estimate for 1998. | |||||||
‡Rates and CIs rounded to whole numbers. | |||||||
<1 y | 55972 | 3015 | 1059 | 206 | 61 | 145 | 489 (473 to 504) |
1 to <2 y | 54566 | 2538 | 1046 | 171 | 60 | 112 | 377 (363 to 391) |
2 to <5 y | 161989 | 4427 | 2430 | 102 | 47 | 55 | 184 (165 to 203) |
5 to <10 y | 268358 | 3197 | 2419 | 45 | 28 | 16 | 54 (37 to 72) |
10 to <18 y | 417458 | 2840 | 2651 | 25 | 20 | 5 | 18 (1 to 35) |