Volume 24, Number 4—April 2018
Research
Carbapenem-Nonsusceptible Acinetobacter baumannii, 8 US Metropolitan Areas, 2012–2015
Table 1
Case counts and incidence of carbapenem-nonsusceptiable Acinetobacter baumannii in Emerging Infections Program sites, United States, 2012–2015*
Area |
No. cases, N = 621 | Crude annual incidence rates‡ (95% CI) | aSIR‡ (95% CI) |
aIR‡§ for all years |
|||||||
---|---|---|---|---|---|---|---|---|---|---|---|
2012† |
2013 |
2014 |
2015 |
2012† |
2013 |
2014 |
2015 |
||||
CO | NDND | 11 | 7 | 8 | ND | 0.4 (0.2–0.8) | 0.3 (0.1–0.6) | 0.3 (0.1–0.6) | 0.4 (0.3–0.6) | 0.4 | |
GA | 111 | 78 | 47 | 64 | 2.9 (2.4–3.5) | 2.0 (1.6–2.5) | 1.2 (0.9–1.5) | 1.6 (1.2–2.1) | 1.2 (1.1–1.4) | 1.2 | |
MD | ND | 77 | 81 | 78 | ND | 4.0 (3.2–5.0) | 4.2 (3.3–5.2) | 4.0 (3.2–5.0) | 2.5 (2.2–2.9) | 3.0 | |
MN | 2 | 10 | 7 | 7 | 0.12 (0–0.4) | 0.6 (0.3–1.1) | 0.4 (0.2–0.8) | 0.4 (0.2–0.8) | 0.4 (0.2–0.5) | 0.4 | |
NM | ND | 0 | 1 | 1 | ND | 0 (0–0.4) | 0.2 (0–0.8) | 0.2 (0–0.8) | 0.1 (0–0.4) | 0.1 | |
NY | ND | 4 | 1 | 3 | ND | 0.5 (0.2–1.4) | 0.1 (0–0.7) | 0.4 (0.1–1.2) | 0.3 (0.1–0.6) | 0.4 | |
OR | 0 | 4 | 0 | 0 | 0 (0–0.2) | 0.2 (0.1–0.6) | 0 (0–0.2) | 0 (0–0.2) | 0.1 (0–0.1) | 0.1 | |
TN |
ND |
ND |
12 |
7 |
ND |
ND– |
0.7 (0.4–1.3) |
0.4 (0.2–0.9) |
0.6 (0.4–1.0) |
0.7 |
|
Total | 113 | 184 | 156 | 168 | 1.6 (1.3–1.9) | 1.4 (1.2–1.6) | 1.0 (0.9–1.2) | 1.1 (0.9–1.3) | ND– | ND– |
*The study areas were Denver, CO; Atlanta, GA; Baltimore, MD; Minneapolis/Saint Paul, MN, Albuquerque, NM; Rochester, NY; Portland, OR; Nashville, TN. aIR, annual incidence rate; aSIR, adjusted standardized incidence ratio; ND, no data available.
†Only 3 Emerging Infection Program sites participated in 2012.
‡Per 100,000 population.
§Adjusted for age, race and sex.