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Table 2 The cluster of malaria cases detected using the purely spatial clustering

From: Spatial, temporal, and spatiotemporal analysis of malaria in Hubei Province, China from 2004–2011

Year Type N Coordinates/Radius Observed cases Expected cases RR LLR p-value
2004 A 5 32.1727 N,112.2313E/53.23 km 1917 167.04 39.03 3785.83 0.00
  B 5 31.3004 N,113.6210E/45.28 km 288 150.53 2.02 53.25 0.00
2005 A 13 32.0882 N,112.7601E/119.54 km 1280 254.78 27.13 1673.24 0.00
2006 A 10 32.0882 N,112.7601E/108.22 km 1476 245.29 33.44 2185.75 0.00
2007 A 13 32.0882 N,112.7601E/119.54 km 1509 290.03 35.40 2085.96 0.00
2008 A 10 31.8849 N,113.2816E/103.99 km 864 160.20 24.28 1153.57 0.00
2009 A 13 32.0882 N,112,7601E/119.54 km 514 115.20 15.12 564.95 0.00
  B 4 30.9408 N,114.0040E/32.82 km 61 27.37 2.35 16.13 0.00
2010 A 10 31.8849 N, 113.2816 E/103.99 km 259 58.88 11.12 262.21 0.00
  B 1 30.7392 N,111.2928E/0.00 km 13 2.75 4.86 10.08 0.00
2011 A 11 32.0882 N,112.7601E/116.40 km 70 11.94 39.90 104.62 0.00
  1. Type: A: the most likely cluster; B: secondary cluster.
  2. N: the cluster number of county was identified by Kulldorff’s spatial scan.
  3. RR: Relative risk; LLR: Log likelihood ratio.
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