Table 1. Incidence ratio of cases in each age group in 2010, the year with the major DENV 2 epidemic, and in 2011.

Age Group Cases—Comparisons between epidemic year and subsequent year (DENV 2 versus all DENV)
Age Group	Epidemic year vs subsequent year	Incidence Ratio (95% CI*), p-value
<1	2010 vs. 2011	2.13 (0.14;31.86), 1.0000
1–5	2010 vs. 2011	2.01 (0.89;4.50), 0.1299
5–20	2010 vs. 2011	1.61 (1.18;2.20), 0.0003 **
20–60	2010 vs. 2011	2.23 (1.67;2.97), <0.0001 **
>60	2010 vs. 2011	1.93 (0.57;6.46), 0.8034

^* Confidence Interval

^** Significant, DENV: Dengue virus.