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Table 1 Reported seroconversion rate (SCR) estimates before and after a reduction in malaria transmission intensity at a given estimated change point (in years before sampling)

From: Sample size and power calculations for detecting changes in malaria transmission using antibody seroconversion rate

Country, site (antigen)

Sample size

SCR beforea

SCR afterb

Reduction (%)

Change pointb

Bioko Island [10]

 Malabo (PfAMA1)

2181

0.17

0.05

70.6

4

 North East (PfAMA1)

1171

0.16

0.03

81.3

6

 South East (PfAMA1)

656

1.90

0.09

95.3

7

 South West (PfAMA1)

568

0.72

0.07

90.3

12

Brazil [7]

 Anajås (PfAMA1/PfMSP1)

113

0.014

0.008

42.9

29

 Jacareacanga (PfAMA1/PfMSP1)

172

0.514

0.017

96.7

29

 Goianésia (PfAMA1/PfMSP1)

262

0.047

0.018

61.7

29

 Itaituba (PfAMA1/PfMSP1)

183

0.014

0.004

71.4

29

 Trairão (PfAMA1/PfMSP1)

204

0.024

0.011

54.2

29

 Belém do Parå (PfAMA1/PfMSP1)

143

0.002

<0.001

>50

29

Tanzania [33]

 Same (PfMSP1)

1888

0.025

0.005

80.0

8

 Same (PfAMA1)

1888

0.066

0.010

84.9

15

 Vanuatu [15]

     

 Northern Tanna (PfMSP1)

361

0.060

0.012

80.0

32

 Northern Tanna (PfSE)

362

0.051

0.006

88.2

32

 Northern Tanna Highlands (PfSE)

514

0.045

0.005

88.9

27

 Southern Tanna (PfSE)

364

0.012

0.001

91.7

18

 Aneityum (PfSE)

517

0.015

0.001

93.3

23

  1. aExpected number of events per year
  2. bYears before sampling