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Volume 16, Number 1—January 2010

Dispatch

Cluster of Serogroup W135 Meningococci, Southeastern Florida, 2008–2009

Timothy J. DoyleComments to Author , Alvaro Mejia-Echeverry, Paul Fiorella, Fermin Leguen, John Livengood, Robyn Kay, and Richard Hopkins
Author affiliations: Department of Health, Miami, Florida, USA (T.J. Doyle); Centers for Disease Control and Prevention, Miami (T.J. Doyle); Miami-Dade County Health Department, Miami (A. Mejia-Echeverry, F. Leguen); Department of Health, Jacksonville, Florida, USA (P. Fiorella, R. Kay); Broward County Health Department, Ft. Lauderdale, Florida, USA (J. Livengood); Department of Health, Tallahassee, Florida, USA (R. Hopkins)

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Table 2

Characteristics of patients with serogroup W135 and non-W135 meningococcal disease, Florida, USA, May 2008–April 2009

Variable No. positive/no. tested (%)
p value*
W135, 
n = 14 Non-W135, 
n = 38
Female sex 8/14 (57) 22/38 (58) 1.00
White race 8/14 (57) 30/38 (79) 0.16
Hispanic ethnicity 7/14 (50) 7/38 (18) 0.04
Residence in southeast region 14/14 (100) 12/38 (32) <0.0001
Bacteremia 12/14 (86) 24/38 (63) 0.18
Meningitis 2/14 (14) 13/38 (34) 0.30
Pneumonia 1/14 (7) 5/38 (13) 1.00
Death 4/14 (29) 4/38 (11) 0.19

*By 2-sided Fisher exact test used for categorical variables; Wilcoxon rank-sum test used for age. Median age for W135 patients, 45 years; median age for non-W135 patients, 27 years; p value = 0.07.

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