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Volume 15, Number 4—April 2009
THEME ISSUE
The Amazon Region

Dispatches

Spatial Distribution of Leprosy in the Amazon Region of Brazil

Maria L.F. PennaComments to Author , Maria L. Wand-del-Rey de Oliveira, and Gerson PennaComments to Author 
Author affiliations: Federal Ministry of Health, Rio de Janeiro, Brazil (M.L.F. Penna); Federal University of Rio de Janeiro Medical School, Rio de Janeiro (M.L.W.d.R.de Oliveira); University of Brasília, Brasília, Brazil (G. Penna)

Main Article

Table 1

Ten most probable clusters of leprosy defined by using spatial scan statistics, Brazil, 2005–2007*

Cluster order No. cases
RR LLR
Observed Expected
1 24,564 6,345.04 4.59 16,545.44
2 9,735 2,224.77 4.67 7,099.49
3 4,136 928.37 4.58 3,014.57
4 6,944 2,912.92 2.47 2,070.23
5 5,778 2,424.91 2.45 1,711.11
6 5,891 2,674.40 2.26 1,479.21
7 2,223 1,039.11 2.16 512.49
8 1,325 476.37 2.80 509.78
9 3,288 1,799.11 1.85 502.97
10 1,473 581.84 2.55 480.32

*RR, relative risk for the cluster compared with the rest of the country; LLR, log likelihood ratio. p<0.001 for all comparisons.

Main Article

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