Table 1. Demographic characteristics, types of infection, and epidemiologic profiles of 61 patients with CA-MRSA colonization or infection, Geneva University Hospitals, 2002–2005*.
| Characteristic | Value |
|---|---|
| Demographic data | |
| Mean ± SD age, y | 33 ± 21 |
| Male | 35 (57) |
| Immigrant, foreign origin or residency outside Switzerland | 25 (41) |
| Recent history of travel before CA-MRSA isolation | 29 (48) |
| Institutionalized (prison, nursing home, asylum-seeker camp) | 11 (18) |
| Healthcare worker |
4 (7) |
| Type of infection/colonization | |
| Primary cutaneous abscess or pyoderma | 27 (44) |
| Wound infection | 4 (7) |
| Impetigo | 3 (5) |
| Other | 1 (2) |
| Colonization |
26 (43) |
| Site of skin infection (n = 27) | |
| Head and face | 6 |
| Upper extremity | 6 |
| Trunk and buttock | 7 |
| Lower extremity |
8 |
| Other clinical features | |
| Presence of >1 other medical condition | 16 (26) |
| Previous exposure (<6 mo) to antimicrobial drug | 16 (26) |
| Case-fatality mortality rate | 0 |
*Values are no. (%) of patients unless otherwise indicated. For 2 patients, no microbiologic specimen was available for molecular characterization. See also supplementary material (available from www.genomic.ch/sup6.php). CA-MRSA, community-associated methicillin-resistant Staphylococcus aureus.