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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