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

James L. Hadler

, 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)

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Table 1

Cases and incidence rates of MRSA infection by place of onset and association with healthcare and demographic features, Connecticut, USA, 2001–2010*†

Demographic characteristic	All MRSA		HO		HACO		CA
Demographic characteristic	No.	Rate	No.	Rate	No.	Rate	No.	Rate
Total	8,758	25.2	2,753	7.9	5075	14.6	920	2.6
Sex
M	5,290	31.2	1,620	9.6	3,043	18.0	620	3.7
F	3,465	19.4	1,132	6.3	2,030	11.4	300	1.7
Age-group, y
<18	127	1.5	65	0.8	25	0.3	37	0.4
18–34	379	5.3	115	1.6	148	2.1	116	1.6
35–49	1,082	13.0	308	3.8	529	6.4	244	2.9
50–64	1,955	31.4	642	10.3	1088	17.5	222	3.6
>65	5,205	111.5	1,619	34.7	3,279	70.2	301	6.4
Race/ethnicity‡
White, non-Hispanic	4,649	25.6	1,338	7.4	2,765	15.2	537	3.0
Black, non-Hispanic	815	35.9	232	10.2	466	20.5	116	5.1
Hispanic	467	16.5	107	3.8	245	8.6	115	4.1
Town size§
Large	1,930	31.6	597	9.8	1067	17.5	265	4.3
Medium	1,969	26.2	635	8.5	1,174	15.6	159	2.1
Small	4,841	22.9	1,511	7.1	2,826	13.3	496	2.3

*MRSA, methicillin-resistant Staphylococcus aureus; HO, hospital onset; HACO, health care–associated community onset; CA, community associated.
†Incidence rates = average annual number of cases per 100,000 group-specific population using 2005 estimated population as the denominator.
‡Race-ethnicity only determined for all categories from 2004–2010. Denominator is 2007 estimated population.
§Large >100,000 population; medium 50,000–99,999 population; small <50,000 population.

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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.

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Page created: May 15, 2012
Page last updated: May 15, 2012
Page last reviewed: May 15, 2012
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Volume 18, Number 6—June 2012

CME ACTIVITY - Research