Volume 14, Number 8—August 2008
Research
Community Strains of Methicillin-Resistant Staphylococcus aureus as Potential Cause of Healthcare-associated Infections, Uruguay, 2002–2004
Table 1
Association of factors with healthcare- versus community-onset CA-MRSA, hospitalized patients, centers A–D, Uruguay, 2003–2004*†
Factors | Total no. (%), N = 182 | Healthcare-onset, no. (%), n = 38 | Community-onset, no. (%), n = 144 | Univariate odds of healthcare-onset (95% CI) | Multivariate odds of healthcare-onset (95% CI)† |
---|---|---|---|---|---|
Age >18 y‡ | 79 (44) | 33 (89) | 46 (32) | 17.4 (5.8–52.0) | 4.8 (1.2–18.7) |
Male | 107 (59) | 26 (68) | 81 (56) | 1.7 (0.8–3.6) | |
Residence outside Montevideo§ | 31 (20) | 5 (15) | 26 (21) | 0.7 (0.2–1.9) | |
Chronic medical condition¶ | 51 (29) | 21 (57) | 30 (22) | 4.7 (2.2–10.2) | |
Infection site, nonskin | 68 (37) | 31 (82) | 37 (26) | 12.8 (5.2–31.5) | 5.1 (1.7–15.1) |
Intensive-care unit admission | 51 (28) | 23 (61) | 28 (19) | 6.4 (2.9–13.7) |
*CA-MRSA, community-associated methicillin-resistant Staphylococcus aureus; CI, confidence interval.
†Controlling for facility.
‡n = 180; age not available for 2 patients.
§n = 159; location of residence not available for 23 patients.
¶n = 175. Chronic conditions: chronic bronchitis, heart disease or stroke, liver or kidney disease, diabetes, HIV, AIDS, or history of immunosuppression or cancer.