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Table 2 Colorectal cancer incidence statistics for the space–time analyses, Guangzhou, China during 2010–2014

From: Spatio-temporal analysis of the incidence of colorectal cancer in Guangzhou, 2010–2014

Statistic High-incidence cluster Low-incidence cluster
1 2 3 4 5 6 7 8
Number of streets 16 20 12 11 8 6 8 4
Radius (km) 3.02 3.33 2.45 34.58 14.50 6.78 15.49 6.34
Observed cases 570 478 423 102 141 28 88 32
Expected cases 294 268 274 286 275 101 156 70
Year 2014 2014 2014 2011 2010 2012 2011 2013
RR 1.98 1.81 1.56 0.35 0.51 0.28 0.56 0.46
LLR 104.3 67.8 35.8 80.2 40.4 37.3 17.9 12.8
P value <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 0.006
  1. RR relative risk, LLR log likelihood ratio