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Table 2 Spatial-temporal clusters of pulmonary tuberculosis cases in Yunnan, 2005–2018

From: The characteristics of spatial-temporal distribution and cluster of tuberculosis in Yunnan Province, China, 2005–2018

Cluster type

Cluster period

Coordinates/Radius

N

Observed cases

(n)

Expected cases

(n)

RR

LLR

P

Most likely cluster

2011-02-01 to 2015-03-31

(27.90 N, 105.00 E) / 43.10 km

2

10,963

4299

2.60

3657.56

< 0.001

Secondary cluster 1

2015-01-01 to 2018–12-31

(21.99 N, 100.31 E) / 240.95 km

18

20,080

11,739

1.75

2533.15

< 0.001

Secondary cluster 2

2015-01-01 to 2018–12-31

(26.03 N, 98.86 E) / 75.94 km

3

4097

1459

2.83

1600.85

< 0.001

Secondary cluster 3

2005-01-01 to 2007-06-30

(25.15 N, 100.55 E) / 119.09 km

18

12,399

8468

1.48

817.74

< 0.001

Secondary cluster 4

2005-01-01 to 2006-07-31

(23.30 N, 103.51 E) / 77.79 km

10

5034

3325

1.52

382.49

< 0.001

Secondary cluster 5

2005-03-01 to 2009-03-31

(23.66 N, 105.70 E) / 0 km

1

1953

992

1.97

362.91

< 0.001

Secondary cluster 6

2007-01-01 to 2010-06-30

(27.25 N, 103.41 E) / 87.96 km

5

6685

4731

1.42

362.18

< 0.001

Secondary cluster 7

2005-02-01 to 2008-08-31

(24.96 N, 104.32 E) / 0 km

1

2021

1160

1.75

261.64

< 0.001

Secondary cluster 8

2005-01-01 to 2007-07-31

(25.16 N, 102.66 E) / 14.67 km

2

2072

1247

1.67

228.04

< 0.001

Secondary cluster 9

2010–10-01 to 2013–11-30

(25.89 N, 102.58 E) / 0 km

1

1230

763

1.61

120.85

< 0.001

Secondary cluster 10

2006-01-01 to 2006-01-31

(25.76 N, 102.20 E) / 34.34 km

2

130

24

5.32

111.79

< 0.001

Secondary cluster 11

2009-08-01 to 2013-09-30

(26.15 N, 103.05 E) / 0 km

1

1140

718

1.59

104.95

< 0.001

Secondary cluster 12

2008-01-01 to 2008–10-31

(25.03 N, 103.71 E) / 0 km

1

590

307

1.92

102.22

< 0.001

Secondary cluster 13

2007-04-01 to 2007-07-31

(26.30 N, 104.13 E) / 0 km

1

467

273

1.71

56.96

< 0.001

Secondary cluster 14

2005-01-01 to 2006-09-30

(24.77 N, 103.42 E) / 0 km

1

407

241

1.69

47.25

< 0.001

Secondary cluster 15

2012-01-01 to 2012-05-31

(25.79 N, 103.86 E) / 62.11 km

4

709

514

1.38

33.06

< 0.001

Secondary cluster 16

2005-04-01 to 2005-06-30

(24.60 N, 102.53 E) / 27.58 km

2

142

85

1.67

15.81

0.012

  1. PTB Pulmonary tuberculosis, N number of counties in the cluster, RR Relative risk,
  2. LLR Log-likelihood ratios
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BMC Public Health

ISSN: 1471-2458

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