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Table 2 Malaria hotspots detected by the elliptic scan

From: Socioeconomic and environmental factors associated with malaria hotspots in the Nanoro demographic surveillance area, Burkina Faso

Period

Na

X b

Y b

Axis in km (major/minor)

Number of households

RR c

P value

HighH

1

595,099

1,395,750

1.09/1.09

38

1.84

< 0.001

2

604,229

1,401,150

0.00/0.00

1

6.90

0.002

3

614,102

1,400,450

1.12/0.56

12

2.27

0.003

4

587,828

1,403,520

6.01/2.00

255

1.30

0.011

5

598,740

1,399,110

0.31/0.15

2

4.90

0.015

InterI

1

586,028

1,400,300

3.28/3.28

211

1.50

0.001

2

611,969

1,397,070

7.09/2.36

43

1.94

0.028

LowL

1

595,715

1,395,570

2.67/1.78

82

2.15

< 0.001

2

581,892

1,401,070

1.82/0.61

13

3.69

< 0.001

  1. L Low transmission periods
  2. I intermediate transmission periods
  3. H high transmission periods
  4. aNumber of hotspots for each period
  5. bCentroid coordinates of hotspots (UTM zone 30)
  6. cRR (Relative risk)