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Table 3 The clusters of mumps cases detected by using the purely spatial scan statistics

From: Spatial, temporal, and spatiotemporal analysis of mumps in Guangxi Province, China, 2005–2016

Cluster type

Radius (km2)

Cluster areas (n)

Observed

Expected

ODE

LLR

RR

P value

Most likely

77.88

11

2841

1713.33

1.66

350.67

1.79

< 0.001

Secondary

87.55

10

1832

1135.63

1.61

194.88

1.69

< 0.001

2nd Secondary

89.14

15

2405

1608.29

1.50

191.48

1.57

< 0.001

3rd Secondary

0.00

1

396

127.67

3.10

182.04

3.15

< 0.001

4th Secondary

0.00

1

693

317.24

2.18

169.89

2.23

< 0.001

5th Secondary

0.00

1

353

120.51

2.93

148.47

2.97

< 0.001

6th Secondary

11.44

3

412

194.44

2.12

93.19

2.15

< 0.001

7th Secondary

0.00

1

313

137.51

2.28

82.85

2.30

< 0.001

8th Secondary

51.14

2

503

270.94

1.86

80.72

1.88

< 0.001

9th Secondary

49.13

3

574

327.67

1.75

77.26

1.78

< 0.001

  1. ODE observed/expected, LLR log likelihood ratio, RR relative risk