Skip to main content

Table 3 Space-time clusters of TB case in Zhejiang, China from 2009/1/1 to 2012/12/31 (setting 50 % of the population as the maximum spatial cluster size)

From: Spatial and temporal analysis of tuberculosis in Zhejiang Province, China, 2009-2012

Cluster

Cluster period

Cluster center/Radius

Number of counties in the Cluster

Number of TB cases

RR

Most likely cluster

2010/4/1 to 2011/12/31

(27.903440 N, 121.113042 E)/55.76 km

7

6375

1.67

Secondary cluster 1

2009/4/1 to 2010/6/30

(29.233899 N, 120.369091 E)/53.89 km

8

4515

1.34

Secondary cluster 2

2012/4/1 to 2012/12/31

(28.398269 N, 121.407348 E)/0 km

1

795

1.43

Secondary cluster 3

2011/10/1 to 2012/12/31

(29.613659 N, 121.364938 E)/40.49 km

5

3067

1.31

Secondary cluster 4

2011/7/1 to 2012/12/31

(30.171950 N, 120.383971 E)/29.73 km

7

5830

1.36

Secondary cluster 5

2009/1/1 to 2009/6/30

(30.523916 N, 120.871586 E)/58.71 km

11

2114

1.39

Secondary cluster 6

2009/7/1 to 2010/3/31

(29.186764 N, 118.319280E)/117.02 km

10

3873

1.48

Secondary cluster 7

2012/7/1 to 2012/9/30

(27.809978 N, 120.016669 E)/0 km

1

96

1.56

Secondary cluster 8

2009/1/1 to 2010/9/30

(30.978934 N, 119.808732 E)/53.02 km

5

3711

1.28

Secondary cluster 9

2011/10/1 to 2012/6/30

(27.426300 N, 120.433287 E)/0 km

1

486

1.27

Secondary cluster 10

2009/1/1 to 2009/3/31

(28.855321 N, 121.204335 E)/39.52 km

5

688

1.31

  1. Most likely cluster P value <0.001; Secondary cluster P values <0.05
  2. RR relative risk