Table 1.

Odds Ratio of dengue fatal cases occurred in Brazil from 1987 to 2015, considering the first epidemic year (1986)

Year	Reported cases	Deaths	OR over 1986	Confidence interval	P value
1986	46,309	5	–	–	–
1987	88,407	4	0.419	0.11–1.56	0.2903
1988	1570	0	0.000	0–32.02	> 0.999
1989	5367	0	0.000	0–9.36	> 0.999
1990	40,279	8	1.840	0.60–5	0.4054
1991	104,399	0	0.040	0–0.73	0.0027
1992	1696	0	0.000	0–29.64	> 0.999
1993	7374	0	0.000	0–6.81	> 0.999
1994	56,691	11	1.797	0.62–5.17	0.3219
1995	137,308	2	0.135	0.02–0.69	0.0134
1996	183,762	1	0.050	0–0.43	0.0017
1997	249,239	9	0.334	0.11–0.99	0.055
1998	507,715	10	0.182	0.06–0.53	0.006
1999	74,670	42	5.210	2.06–13.17	< 0.0001
2000	135,228	4	0.274	0.07–1.02	0.053
2001	385,783	44	1.056	0.42–2.66	> 0.999
2002	696,472	150	1.995	0.82–4.86	0.1352
2003	274,975	88	2.964	1.20–7.29	0.0111
2004	70,174	18	2.376	0.88–6.39	0.0896
2005	147,039	69	4.346	1.75–10.77	0.0002
2006	258,680	142	5.084	2.08–12.40	< 0.0001
2007	496,923	290	5.405	2.23–13.08	< 0.0001
2008	632,680	561	8.212	3.40–19.81	< 0.0001
2009	406,269	341	7.774	3.21–18.80	< 0.0001
2010	1,011,548	656	6.006	2.49–14.48	< 0.0001
2011	764,032	482	5.843	2.42–14.10	< 0.0001
2012	589,591	327	5.137	2.12–12.42	< 0.0001
2013	1,470,487	674	4.245	1.76–10.23	0.0007
2014	591,080	475	7.443	3.08–17.97	< 0.0001
2015	1,649,008	986	5.538	2.30–13.34	< 0.0001

Footnote: To compare the Odds Ratio of deaths occurred from 1987 to 2015, we calculated OR values, confidence intervals and P-values, setting the year of 1986 as the comparison year. Values were calculated using GraphPad Prism version 6 software