Volume 18, Number 6—June 2012
CME ACTIVITY - Research
Trends in Invasive Infection with Methicillin-Resistant Staphylococcus aureus, Connecticut, USA, 2001–2010
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 |
|||||||
---|---|---|---|---|---|---|---|---|---|---|---|
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.