Table 1.

Linear regression model with the proportion of cases reported by geographical regions and states of Brazil, 2007–2014

Region	State	Model	R2	P value	Trends
Total	Brazil	−6.60+1.61×year	0.798	0.003	Increased
North	Acre	0.082+1.206×year	0.708	0.009	Increased
	Amazonas	−1.231+1.489×year	0.633	0.018	Increased
	Amapá	−0.516+0.192×year	0.677	0.012	Increased
	Pará	−0.845+0.352×year	0.656	0.015	Increased
	Rondônia	1.539+1.149×year	0.324	0.082	Stable
	Tocantins	−0.782–0.047×year	0.005	0.865	Stable
	Roraima*	–	–	–	–
Northeast	Ceará	0.974+1.043×year	0.620	0.020	Increased
	Paraíba	−1.279+0.549×year	0.504	0.048	Increased
	Pernambuco	−1.176+1.377×year	0.762	0.003	Increased
	Sergipe	−0.316+0.12×year	0.579	0.028	Increased
	Alagoas	2.795+0.118×year	0.012	0.799	Stable
	Bahia	18.874–0.818×year	0.222	0.238	Stable
	Maranhão*	–	–	–	–
	Piauí*	–	–	–	–
	Rio Grande do Norte*	–	–	–	–
Southeast	EspíritoSanto	2.472+0.197×year	0.040	0.634	Stable
	Minas Gerais	5.410+0.165×year	0.008	0.836	Stable
	São Paulo	5.830–0.113×year	0.048	0.602	Stable
	Rio de Janeiro	36.011–3.713×year	0.867	0.001	Decreased
Midwest	Distrito Federal	−0.948+1.390×year	0.643	0.017	Increased
	MatoGrosso	−0.750+3.413×year	0.923	0.001	Increased
	Goiás	15.375–0.291×year	0.018	0.749	Stable
	MatoGrossoSul	0.093+0.467×year	0.177	0.299	Stable
South	Rio Grande Sul	4.982+2.015×year	0.541	0.037	Increased
	Santa Catarina	−0.271+0.095×year	0.546	0.036	Increased
	Paraná	0.075+0.008×year	0.008	0.838	Stable

*One state from the North Region and three states from the Northeast region did not notify any case of disease during the period.