Table IIIPercentage prevalence of MRSA and MSSA ICU-acquired infection and odds ratio of risk of developing MRSA infection compared to MSSA depending on APACHE II score and length of stay in ICU

MRSAMSSAOdds ratio95% CIp value
APACHE IISCORE
0–59.53.31.00
6–1014.420.10.260.11 to 0.62< 0.001
11–1524.726.40.340.14 to 0.780.01
16–2029.226.70.390.17 to 0.890.03
21–2514.815.40.340.14 to 0.840.02
26–304.96.20.280.09 to 0.800.02
31–352.11.50.650.13 to 3.310.61
> 350.40.40.390.02 to 6.950.52
STAY in ICU(days):
0–145.618.41.00
15–2011.113.92.651.12 to 6.260.03
> = 2183.367.74.072.02 to 8.21< 0.001

From: Methicillin-resistant staphylococcus aureus

Cover of Surgical Treatment
Surgical Treatment: Evidence-Based and Problem-Oriented.
Holzheimer RG, Mannick JA, editors.
Munich: Zuckschwerdt; 2001.
Copyright © 2001, W. Zuckschwerdt Verlag GmbH.

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