Figure 32: Number of laboratory confirmed influenza A(H1N1)pdm09 admitted to an intensive-care unit#, Australia, 2009, by age group and duration hospitalised* This figure presents the number of laboratory confirmed influenza A(H1N1)pdm09 admitted to an intensive-care unit during 2009 by age group and duration hospitalised. Among those in the age groups of less than 70 years admitted to an ICU, more than half of the cases in each of these age groups were hospitalised for greater than 7 days; peaking at 87.5% for cases in the 65-69 years age group.