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Volume 25, Number 5—May 2019
Dispatch

Novel Method for Rapid Detection of Spatiotemporal HIV Clusters Potentially Warranting Intervention

Arthur G. FitzmauriceComments to Author , Laurie Linley, Chenhua Zhang, Meg Watson, Anne Marie France, and Alexandra M. Oster
Author affiliations: Centers for Disease Control and Prevention, Atlanta, Georgia, USA (A.G. Fitzmaurice, L. Linley, M. Watson, A.M. France, A.M. Oster); ICF International, Atlanta (C. Zhang)

Main Article

Table

Distribution of spatiotemporal clusters of HIV diagnoses among counties in 50 states and the District of Columbia, 2016

Characteristic
 All diagnoses
Diagnoses attributable to injection drug use
Counties with alerts, no. (%)*
 Counties without alerts, no. (%)
 p value
 Counties with alerts, no. (%)*
 Counties without alerts, no. (%)
 p value
Region (7)
Northeast 21 (15) 196 (7) 0.0002 3 (14) 214 (7) 0.18
Midwest 27 (19) 1,028 (34) 0.0001 6 (29) 1,049 (34) 0.63
South 84 (59) 1,338 (45) 0.0009 8 (38) 1,414 (45) 0.51
West
 11 (8)
 437 (15)
 0.022
4 (19)
 444 (14)
 0.53
Baseline mean annual HIV diagnoses, 2013–2015 
<3 52 (36) 2,128 (71) <10–4 13 (62) 2,176 (69) 0.46
3–9 40 (28) 463 (15) <10–4 8 (38) 495 (16) 0.0056
>9
 51 (36)
 408 (14)
 <10–4
0
 459 (15)
 0.057
Total counties 143 (100) 2,999 (100) 21 (100) 3,121 (100)

*An alert occurred when the number of diagnoses in 2016 increased by >2 SD and >2 diagnoses compared with the mean annual baseline over the preceding 3 years (2013–2015).

Main Article

References
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Page updated: April 17, 2019
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