Volume 11, Number 4—April 2005
Research
Staphylococcus aureus Bacteremia, Australia
Table 1
Hospital |
|||||||||
---|---|---|---|---|---|---|---|---|---|
J | K | L | M | N | O | P | Q | Total | |
Classification† | a | a | a | b | b | b | c | d | – |
Beds | 368 | 297 | 276 | 199 | 170 | 162 | 72 | 52 | 6,194 |
Years studied | 4‡ | 2¶ | 4‡ | 4‡ | 4‡ | 4‡ | 4‡ | 4‡ | – |
Admissions over study period | 104,534 | 58,549 | 92,114 | 64,311 | 41,690 | 48,900 | 18,223 | 15,069 | 2,013,534 |
Admissions >24 h over study period | 50,018 | 25,617 | 36,322 | 31,259 | 10,556 | 31,681 | 13,055 | 2,894 | 730,125 |
Mean length of stay (day cases included) | 4.1 | 4.49 | 3.06 | 3.37 | 5.4 | 3.60 | 5.10 | 2.88 | – |
OBDs (including day-only patients) | 428,589 | 262,592 | 281,869 | 216,728 | 225,126 | 176,040 | 92,937 | 43,399 | 7,491,240 |
OBDs (excluding day-only patients) | 374,073 | 229,660 | 226,077 | 183,676 | 192,874 | 158,821 | 87,769 | 31,224 | 6,207,832 |
Total S. aureus bacteremia | 155 | 123 | 72 | 44 | 135 | 62 | 11 | 14 | 3,192 |
Total BSIs over study period (all orgs) | 653 | 338 | 351 | 282 | 881 | 274 | 67 | 63 | 12,771 |
Total BSI rate per hosp admissions (x1,000) | 6.25 | 5.77 | 3.81 | 4.39 | 21.13 | 5.60 | 3.68 | 4.18 | – |
*MSSA, methicillin-susceptible Staphylococcus aureus; MRSA, methicillin-resistant S. aureus; OBDs, occupied bed days; BSI, bloodstream infection; orgs, microorganisms.
†Hospital classification: a, principal referral: metropolitan (>20,000 acute weighted separations per year) and rural (>16,000 acute weighted separations); b, large metropolitan (>10,000 acute weighted separations); c, private hospital; d, medium sized (metropolitan and rural 2,000 acute or acute weighted to 5,000 acute weighted separations).
‡1999–2002.
§1999–2001.
¶1999–2000.
1Australian Group on Antimicrobial Resistance contributors to this study were the following: Thomas Gottlieb, Concord Hospital; David McGechie, Denise Daley, Fremantle Hospital; John Ferguson, John Hunter Hospital; James Branley, Nepean Hospital; Graeme R. Nimmo, Princes Alexandria Hospital; Gary Lum, Royal Darwin Hospital; Alistair McGregor, Royal Hobart Hospital; Clarence Fernandes, Royal North Shore Hospital; Iain Gosbell, Archie Darbar, South West Area Health Service, New South Wales; Peter Collignon, Jan Roberts, Canberra Hospital.