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Table 5 Prevalence of dhps gene mutations at enrolment and at day of failure in children included in the in vivo study

From: High prevalence of dhfr triple mutant and correlation with high rates of sulphadoxine-pyrimethamine treatment failures in vivo in Gabonese children

DHPS

Pre-treatment

    

436/437 SA

436/437 SG

436/437 AA

436/437 AG

N = 29

%

0

1

0

0

11

38

1

0

0

0

1

3

1

1

0

0

1

3

0

1

0

1

2

7

0

0

1

0

2

7

0

1

1

0

7

24

1

0

1

0

1

3

0

1

1

1

4

14

Post-treatment

    

436/437 SA

436/437 SG

436/437 AA

436/437 AG

N = 26

%

0

0

0

0

11

42

0

1

0

0

10

38

1

1

0

0

1

4

0

0

0

1

1

4

0

0

1

0

2

8

0

1

1

0

1

4

  1. SA: sensitive, wild-type; SG: single mutant 437G; AA: single mutant 436A; double mutant 436A + 437G