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Table 4 Recent dengue infection in children aged 3–9 years, by region

From: Dengue occurrence relations and serology: cross-sectional analysis of results from the Guerrero State, Mexico, baseline for a cluster-randomised controlled trial of community mobilisation for dengue prevention

Region Percentage (proportion) with evidence of recent dengue infection
Quadrupling of IgG level 95%CI Trebling of IgG level 95%CI Doubling of IgG level 95% CI
Acapulcoa 9.2% (184/1994) 8.0–10.6 12.1% (242/1994) 10.7–13.6 19.4% (387/1994) 17.7–21.2
Costa Grandeb 5.2% (97/1869) 4.2–6.3 8.2% (153/1869) 7.0–9.5 16.5% (308/1869) 14.8–18.3
Costa Chicab 4.4% (111/2519) 3–6 – 5.3 7.2% (181/2519) 6.2–8.2 15.4% (388/2519) 14.0–16.9
Total 6.1% (392/6382) 5.6–6.8 9.0% (576/6382) 8.3–9.7 17.0% (1083/6382) 16.1–17.9
  1. aPaired saliva samples in December 2009 and February 2010
  2. bPaired saliva samples in May and November 2010