Table 2. Incidence and type of Staphylococcus aureus infections, Veterans Affairs Maryland Health Care System, fiscal years 1999–2008*.
| Fiscal year | Invasive infection |
Noninvasive infection |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Hospital onset† |
Community onset‡ |
Hospital onset† |
Community onset‡ |
||||||||
| MSSA | MRSA | MSSA | MRSA | MSSA | MRSA | MSSA | MRSA | ||||
| 1999 | 46.3 | 104.1 | 72.6 | 46.0 | 88.7 | 250.7 | 246.7 | 113.7 | |||
| 2000 | 58.4 | 75.1 | 72.4 | 44.4 | 116.8 | 183.5 | 142.5 | 100.5 | |||
| 2001 | 50.6 | 109.6 | 66.3 | 27.8 | 139.1 | 273.9 | 117.6 | 119.7 | |||
| 2002 | 58.1 | 116.1 | 57.5 | 31.7 | 111.7 | 254.6 | 150.8 | 107.1 | |||
| 2003 | 53.2 | 87.1 | 59.0 | 43.3 | 135.5 | 222.6 | 104.2 | 114.0 | |||
| 2004 | 24.3 | 72.8 | 59.2 | 51.3 | 140.8 | 301.0 | 165.8 | 286.3 | |||
| 2005 | 33.5 | 54.4 | 47.1 | 41.2 | 62.8 | 272.1 | 176.6 | 467.0 | |||
| 2006 | 59.3 | 59.3 | 57.5 | 46.0 | 91.2 | 150.4 | 164.8 | 360.2 | |||
| 2007 | 29.3 | 37.7 | 46.3 | 48.3 | 87.9 | 196.8 | 162.2 | 451.7 | |||
| 2008 | 40.3 | 44.3 | 23.3 | 40.7 | 64.4 | 221.5 | 149.2 | 397.2 | |||
| Average | 45.3 | 76.0 | 56.1 | 42.1 | 103.9 | 232.7 | 158.0 | 251.8 | |||
*MSSA, methicillin-susceptible S. aureus; MRSA, methicillin-resistant S. aureus. †Incidence per 100,000 adjusted acute-care inpatient days. ‡Incidence per 100,000 veterans.