Table. Modeling attempts for pandemic (H1N1) 2009, Metro North Health Service District, Queensland, Australia, 2009*.
Variable |
FluSurge 2.0 |
Modified model |
Parameter and assumption/source | ||
Population | 812,941 | 812,941 |
Gross attack rate | 25% | 15% |
Hospitalization rate | Default | 0.5% |
Duration of hospitalization | 12 wk | 14 wk |
Proportion of patients needing ICU care | 20% | 10% |
Proportion of patients needing ventilation | 15% | 7.5% |
Average length of non-ICU hospitalization | 5 d | 5 d |
Average length of ICU stay | 10 d | 10 d |
Average length of ventilator usage | 10 d | 10 d |
Available hospital resources |
Private and public hospitals |
Public hospitals only |
Main output | ||
Hospital admissions | 2,840 (range 1,104–3,810) | 610 |
Patients needing general beds only | – | 549 |
Patients needing ICU care | – | 61 |
ICU patients needing ventilator care | – | 46 |
Bed demands/availability during peak week | ||
General | 9% | 2% |
ICU | 83% | 10% |
Ventilator | 117% | 13% |
*ICU, intensive care unit; –, not applicable.