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Table 2 Summary statistics for counts of dengue disease, NDVI and LST, by Bucaramanga census section, for globally and annually aggregated data, 2008–2015

From: Relative risk estimation of dengue disease at small spatial scale

Statistic Global (2008–2015) 2008 2009 2010 2011 2012 2013 2014 2015
Dengue disease case counts
Total 27,301 1936 3131 6932 896 1546 4839 4956 3065
Min. 1 0 0 0 0 0 0 0 0
Max. 433 31 56 109 17 39 115 84 58
Mean 93.2 6.6 10.7 23.7 3.0 5.3 16.5 16.9 10.5
Standardized morbidity rate
Min. 0.225 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000
Max. 4.052 8.409 6.346 5.401 12.294 5.979 4.683 5.129 5.502
Mean 1.098 1.125 1.082 1.143 1.193 1.089 1.096 1.101 1.165
NDVI
Min. 0.135 0.091 0.130 0.096 0.134 0.144 0.142 0.146 0.129
Max. 0.792 0.767 0.813 0.757 0.803 0.850 0.896 0.784 0.779
Mean 0.368 0.346 0.394 0.355 0.368 0.379 0.390 0.367 0.346
LST
Min. 28.8 29.3 28.8 27.6 28.4 29.1 29.3 28.9 28.5
Max. 34.0 34.2 34.9 32.9 34.2 34.5 34.6 34.8 32.8
Mean 32.1 32.3 32.5 30.7 31.8 32.4 32.2 32.9 31.7
Linear correlation
Dengue-NDVI −0.071 0.062 0.170 0.108 0.080 0.061 0.198 −0.014 0.086
Dengue-LST 0.127 0.016 −0.038 0.056 −0.063 −0.039 −0.126 0.017 −0.043
NDVI-LST −0.629 −0.533 −0.640 −0.546 −0.583 −0.629 −0.568 −0.543 −0.522