Volume 18, Number 6—June 2012
CME ACTIVITY - Research
Trends in Invasive Infection with Methicillin-Resistant Staphylococcus aureus, Connecticut, USA, 2001–2010
James L. Hadler
, Susan Petit, Mona Mandour, and Matthew L. Cartter
, Susan Petit, Mona Mandour, and Matthew L. Cartter
Table 4
Estimated incidence of MRSA, by category and strain PFGE type and year, Connecticut, USA, 2005–2010*†
| MRSA category and PFGE type | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | Incidence difference, 2005–2010 |
|---|---|---|---|---|---|---|---|
| CA | |||||||
| Statewide incidence | 3.25 | 3.36 | 3.53 | 3.54 | 3.47 | 3.08 | −0.17 |
| % C strain‡ | 27.8 | 46.7 | 30.0 | 62.5 | 68.8 | 56.3 | |
| C strain incidence | 0.90 | 1.57 | 1.06 | 2.21 | 2.39 | 1.73 | +0.83 |
| H strain incidence | 2.35 | 1.79 | 2.47 | 1.33 | 1.08 | 1.35 | −1.00 |
| HA | |||||||
| Statewide incidence | 24.16 | 21.78 | 22.54 | 19.27 | 18.13 | 18.95 | −5.21 |
| % C strain | 4.0 | 8.9 | 6.7 | 10.7 | 14.5 | 15.2 | |
| C strain incidence | 0.97 | 1.93 | 1.52 | 2.06 | 2.62 | 2.87 | +1.90 |
| H strain incidence | 23.19 | 19.85 | 21.02 | 17.21 | 15.51 | 16.08 | −7.11 |
*MRSA, methicillin-resistant Staphylococcus aureus; PFGE, pulsed-field gel electrophoresis; CA, community associated; C strain, community-related strain; H strain , health care–related strain; HA, health care–associated (combined hospital-associated community onset and hospital onset).
†Incidence per 100,000 population.
‡Percentage based on isolate testing shown in Table 3.
Page created: May 15, 2012
Page updated: May 15, 2012
Page reviewed: May 15, 2012
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.