Table 1.
Invasive GAS Patients With Documented Injection Drug Use (IDU) Only, Homelessness Only, Both, or Neither by ABCs Site, 2010–2017
| Neither Risk Factor (N = 10 807) |
IDU Only (N = 683) |
Homelessness Only (N = 531) |
Both IDU and Homelessness (N = 365) |
|
|---|---|---|---|---|
| ABCs Site | % (95% CI) | % (95% CI) | % (95% CI) | % (95% CI) |
| California (3 San Francisco Bay area counties) | 72.7 (70.4–75.0) | 7.0 (5.7–8.4) | 13.0 (11.3–14.8) | 7.3 (6.0–8.7) |
|
| ||||
| Colorado (5 Denver metropolitan area counties) | 85.6 (83.7–87.4) | 2.6 (1.9–3.6) | 8.7 (73–10.3) | 3.0 (2.2–4.0) |
|
| ||||
| Connecticut (entire state) | 94.0 (92.4–95.4) | 4.1 (3.0–5.5) | .6 (.2–1.2) | 1.3 (.7–2.2) |
|
| ||||
| Georgia (20 Atlanta counties) | 97.3 (96.3–98.1) | 1.4 (.8–2.2) | .9 (.5–1.5) | .4 (.2–1.0) |
|
| ||||
| Maryland (6 Baltimore counties) | 78.8 (76.2–81.3) | 12.7 (10.7–14.9) | 1.9 (1.1–2.9) | 6.6 (5.2–8.3) |
|
| ||||
| Minnesota (entire state) | 96.7 (95.8–97.5) | 1.8 (1.2–2.5) | 1.3 (.8–1.9) | .2 (0–.5) |
|
| ||||
| New Mexico (entire state) | 83.8 (81.8–85.7) | 9.7 (8.2–11.4) | 3.8 (2.9–4.9) | 2.7 (1.9–3.7) |
|
| ||||
| New York (15 counties in Rochester and Albany) | 94.4 (92.5–96.9) | 4.8 (3.4–6.6) | .1 (0–.7) | .7 (.2–1.6) |
|
| ||||
| Oregon (3 Portland counties) | 75.3 (72.1–78.2) | 8.1 (6.3–10.2) | 8.7 (6.8–10.9) | 7.9 (6.1–10.1) |
|
| ||||
| Tennessee (20 counties) | 90.1 (88.3–91.7) | 6.5 (5.2–8.1) | 2.1 (1.4–3.1) | 1.3 (.7–2.1) |
Abbreviations: ABCs, Active Bacterial Core surveillance; CI, confidence interval; GAS, group A Streptococcus infection; IDU, injection drug use.