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Table 2 Spatial clusters of fever positive RDT cases detected by SaTScan, ordered from the cluster with the highest LLR, stratified by quarterly intervals

From: Spatial–temporal clustering of malaria using routinely collected health facility data on the Kenyan Coast

Period

Cluster order

Radius (km)

Number of cases in cluster (n)

Cumulative cases/total cases

Expected cases

Number of HMs in cluster (n)

Cumulative HMs/total HMs

RR

p-value

Q1

1

2.90

287

287/1651

139.12

106

106/2290

2.29

 < 0.001

 

2

2.31

270

557/1651

174.58

216

322/2290

1.65

 < 0.001

 

3

1.13

44

601/1651

21.2

23

345/2290

2.11

 < 0.001

 

4

0.66

88

689/1651

59.74

60

405/2290

1.50

0.03

Q2

1

3.00

583

583/4096

371.51

220

220/3532

1.66

 < 0.001

 

2

1.72

289

872/4096

197.21

143

363/3532

1.50

 < 0.001

 

3

2.09

363

1235/4096

270.88

227

590/3532

1.37

 < 0.001

 

4

2.52

103

1338/4096

64.69

40

630/3532

1.61

 < 0.001

 

5

2.49

222

1560/4096

163.97

84

714/3532

1.37

 < 0.001

 

6

2.32

283

1843/4096

229.1

251

965/3532

1.25

0.02

Q3

1

2.28

815

815/3554

550.29

546

546/3368

1.62

 < 0.001

 

2

2.78

503

1318/3554

306.47

177

723/3368

1.75

 < 0.001

 

3

2.97

537

1855/3554

400.44

306

1029/3368

1.40

 < 0.001

 

4

1.24

133

1988/3554

89.74

69

1,098/3368

1.50

 < 0.001

Q4

1

2.75

538

538/2842

334.22

216

216/2890

1.75

 < 0.001

 

2

1.51

226

764/2842

157.47

188

404/2890

1.47

 < 0.001

 

3

1.74

134

898/2842

84.34

74

478/2890

1.62

 < 0.001

 

4

1.82

247

1145/2842

183.04

178

656/2890

1.38

 < 0.001

 

5

2.70

114

1259/2842

73.12

76

732/2890

1.58

 < 0.001

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Malaria Journal

ISSN: 1475-2875

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