ICU structure and process parameters | IRR (95% CI) | P valuea |
---|---|---|
Type of ICU | Â | Â |
   Medical-surgical ICU | 1 = reference | 0.004 |
   Medical ICU | 0.41 (0.23-0.73) |  |
   Surgical ICU | 0.47 (0.28-0.80) |  |
   Other ICU | 0.46 (0.16-1.34) |  |
Incidence of imported MRSA cases | Â | Â |
   Incidence of imported cases not greater than the median | 1 = reference | 0.026 |
   Incidence of imported cases greater than the median | 2.08 (1.09-4.00) |  |
Not significant in the multivariable analysis | ||
Isolation (strict SR isolation/SR or contact precautions/contact precautions) | ||
Decolonization with mupirocin (decolonization of all/not all MRSA patients) | ||
Interaction: isolation-decolonization | ||
Pre-emptive isolation | ||
Short admissions of less than 48 hours of less than 1/3 of admitted patients | ||
Nurse-to-patient ratio (not greater than the median/greater than the median) | ||
Percentage of ventilator beds (not greater than the median/greater than the median) | ||
Number and percentage of SRs (not greater than the median/greater than the median) | ||
Size of hospital and ICU (not greater than the median/greater than the median) | ||
Type of hospital (university/academic/other) | ||
Length of stay (not greater than the median/greater than the median) | ||
Device use (CVC, ventilation) (not greater than the median/greater than the median) |