State (n)a | Percent positive tests | Change (%) | Gamma (95% CI)b | |
---|---|---|---|---|
2010 | 2017 | |||
Midwest | ||||
Iowa (n = 387,236) | 3.0 | 4.0 | 33.3 | 0.0915 (0.0802–0.1028) |
Michigan (n =1,137,522) | 1.0 | 1.5 | 50.0 | 0.0137 (0.0037–0.0237) |
Northeast | ||||
Maine (n = 666,337) | 14.1 | 14.2 | 0.7 | 0.0205 (0.0159–0.0261) |
New York (n = 1,999,391) | 10.3 | 11.1 | 7.8 | 0.0457 (0.0427–0.0487) |
Pennsylvania (n = 1,955,701) | 13.3 | 14.0 | 5.3 | 0.0278 (0.0251–0.0306) |
Southeast | ||||
North Carolina (n = 1,309,117) | 1.9 | 2.3 | 21.1 | 0.0309 (0.0232–0.0387) |
South Carolina (n = 344,547) | 1.0 | 1.2 | 20.0 | 0.0510 (0.0300–0.0720) |
West Virginia (n = 211,169) | 1.3 | 8.1 | 523.1 | 0.2224 (0.2105–0.2343) |