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Table 2 The clusters of malaria cases detected using the purely spatial analysis

From: Spatio-temporal analysis of malaria incidence at the village level in a malaria-endemic area in Hainan, China

   Cluster Obsa Expb Relative risk LLRc P
Year   Latitude(N) Longitude(E) Radius(Km)      
2005 A 18.64666 110.10916 4.72 176 47.36 6.50 134.99 0.00
  B 18.96730 110.26496 0 31 5.48 6.11 29.17 0.00
2006 A 18.64666 110.10916 4.72 161 41.41 7.14 131.70 0.00
  B 18.96730 110.26496 0 34 4.84 7.79 38.60 0.00
2007 A 18.67405 110.14340 25.11 167 86.37 11.68 81.34 0.00
2008 A 18.69753 110.17359 15.18 71 26.41 14.67 53.24 0.00
2009 A 18.64666 110.10916 8.37 18 4.94 11.59 16.35 0.00
  1. a: The number of observed cases in a cluster; b: The number of expected cases in a cluster;
  2. c:Log likelihood ratio; A: Most likely cluster; B: Secondary cluster.