Table 1.

Main characteristics of the risk areas identified and evidence of the leprosy dynamics in the triple border area of Argentina, Paraguay and Brazil

Type of analysis and period	Cluster	Number of sectors	Number of cases	Population	Detection rate (100,000 inhabitants)	RR	P-value	95%CI
Spatial 2003–2006	1	24	55	18,426	74.6	2.38	0.001	1.78–3.17
	2	5	21	4212	124.6	3.78	0.003	2.43–5.87
	3	127	85	91,387	23.3	0.57	0.013	0.44–0.73
Spatial 2007–2011	1	37	55	25,781	42.7	2.30	0.002	1.70–3.09
	2	25	3	18,108	3.3	0.15	0.009	0.04–0.46
	3	63	27	50,569	10.7	0.45	0.036	0.30–0.67
Spatial 2012–2015	1	136	23	96,734	5.9	0.30	0.001	0.19–0.47
	2	21	27	18,818	35.9	2.79	0.043	1.83–4.23
Spatial-temporal 2003–2006	1 (2003a)	24	27	18,426	146.6	4.53	0.001	3.05–6.71
	2 (2003–2004a)	5	15	4212	177.9	5.35	0.008	3.19–8.97
	3 (2004–2005a)	33	2	24,364	4.1	0.11	0.046	0.02–0.44
Spatial-temporal 2007–2011	1 (2007a)	2	6	1207	497.4	24.18	0.038	10.78–54.21
Spatial-temporal 2012–2015	1 (2012–2013a)	21	21	18,818	55.8	4.29	0.0040	2.70–6.81

^aPeriod of occurrence of the spatial-temporal cluster

Source: Created by the main author