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Volume 18, Number 6—June 2012


Trends in Invasive Infection with Methicillin-Resistant Staphylococcus aureus, Connecticut, USA, 2001–2010

James L. HadlerComments to Author , Susan Petit, Mona Mandour, and Matthew L. Cartter
Author affiliations: Yale University School of Public Health, New Haven, Connecticut, USA (J.L. Hadler); Connecticut Department of Public Health, Hartford, Connecticut, USA (S. Petit, M. Mandour, M.L. Cartter)

Main Article

Table 2

Cases and incidence rates of hospital-onset MRSA infection by volume of hospital, at 29 acute care hospitals, Connecticut, USA, 2001–2010*

Hospital volume† No. cases‡ Annual average incidence rate (range)§
Total 2,563 13.6 (8.9–18.1)
High 1,494 15.5 (10.1–23.3)
Medium 797 12.1 (6.7–17.1)
Low 272 10.1 (5.9–15.3)

*MRSA, methicillin-resistant Staphylococcus aureus.
†High, >80,000 patient bed-days/year; medium, 40,000–79,999 patient bed-days/year; low, <40,000 patient bed-days/year.
‡Number of cases is <2,753 because data were excluded from 3 (N = 32) hospitals that either did not report MRSA and/or the number of patient bed-days for some years.
§Annual average number of cases per 100,000 patient bed-days.

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