Table 3

Cluster and outlier analysis for kala-azar disease in Vaishali district, 2007–2011
Cluster-outlier type
Year High-high High-low Low-high Low-low
No. of villages LMiIndex LMiZScore p-value No. of villages LMiIndex LMiZScore p-value No. of villages LMiIndex LMiZScore p-value No. of villages LMiIndex LMiZScore p-value
2007 63 28.25 11.92 0.003 11 −6.91 −2.64 <0.01 8 −5.34 −2.52 0.02 - - - -
2008 73 11.83 5.00 <0.01 4 −7.47 −2.77 0.01 8 −5.21 −2.39 0.02 - - - -
2009 49 13.72 6.01 0.009 5 −10.22 −4.12 0.009 4 −6.04 −2.54 0.019 - - - -
2010 45 10.61 4.70 0.006 18 −8.50 −3.51 0.013 5 −5.95 −2.45 0.018 - - - -
2011 38 16.37 7.04 0.004 10 −7.49 −3.03 0.014 4 −4.82 −2.26 0.026 - - - -
2007-2011 67 58.00 9.11 0.008 17 −21.03 −3.28 0.014 22 −17.39 −2.44 0.021 - - - -

Note: High-High: Cluster of high values; High-Low: outlier in which a high value is surrounding primarily by low values; Low-High: outlier in which a low value is surrounded primarily by high values; Low-Low: cluster of low values.

Bhunia et al.

Bhunia et al. BMC Infectious Diseases 2013 13:64   doi:10.1186/1471-2334-13-64

Open Data