Table 1. Information used to estimate the number of cases of Staphylococcus aureus bacteraemia (SAB) prevented by the National Hand Hygiene Initiative.
| Patient cohort included in model | Baseline starting rates SAB * | Reduction in rates † | Relative risk of SAB † | Nature of the Decline | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| State/Territory | Hospitals | Beds | Admissions | Mean | St. Dev. | Mean | 95% CI | Mean | St. Dev. | |
| QLD | 9 | 5,366 | 246,699 | 1.48 | 1.08 | 17% | 6 to 27% | 0.83 | 0.10 | Immediate reduction sustained over time |
| ACT | 1 | 619 | 31,841 | 2.91 | n/a | 28% | 6 to 45% | 0.72 | 0.24 | Immediate reduction sustained over time |
| NSW | 15 | 7,739 | 404,869 | 2.60 | 1.38 | 11% | 7 to 16% | 0.90 | 0.08 | Linear reduction per year |
| SA | 5 | 2,065 | 122,435 | 2.08 | 2.05 | 8% | 1 to 15% | 0.92 | 0.13 | Linear reduction per year |
| TAS | 3 | 1,007 | 41,850 | 0.90 | 0.68 | 0% | -52 to 34% | 1.00 | 0.21 | No reduction |
| WA | 5 | 2,167 | 122,025 | 1.96 | 1.62 | 0% | -22 to 18% | 1.00 | 0.17 | No reduction |
| VIC | 11 | 5,184 | 305,270 | No data | No data | No data | No data | No data | No data | n/a |
| NT | 1 | 335 | 19,667 | No data | No data | No data | No data | No data | No data | n/a |
| Total | 50 | 24,482 | 1,294,656 | |||||||
QLD = Queensland, ACT = Australian Capital Territory, NSW = New South Wales, SA = South Australia, TAS = Tasmania, WA = Western Australia, VIC = Victoria, NT = Northern Territory.
* Per 10,000 bed days.
† 12 months post intervention