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Table 4 Amplification and sequencing results

From: Evaluation of dihydrofolate reductase and dihydropteroate synthetase genotypes that confer resistance to sulphadoxine-pyrimethamine in Plasmodium falciparum in Haiti

Study Site

Total samples

# Positive amplifications

# Sequenced

 ssu rRNA 

 dhfr 

 dhps 

 dhfr 

 dhps 

 Both dhfr and dhps 

Terre Noire †

232

39 (SS1 =13, SS2 =26)

33 (SS1 =12, SS2 =21)

31 (SS1 = 10, SS2 = 21)

30 (SS1 = 12, SS2 = 18)

23 (SS1 = 10, SS2 = 13)

21 (SS1 = 10, SS2 = 11)

Leogane

31

24

14

18

13

13

10

Hinche

10

6

5

8

5

8

4

Cap Haitien

10

1

4

8

4

7

4

Jacmel

11

6

9

8

9

7

7

Total*

294

76

65

73

61

58

46

  1. †Includes the number of samples for samples set (SS) in parentheses; SS1 = Sample Set 1 and SS2 = Sample Set 2.
  2. *Total does not include Artibonite samples. None of the Artibonite samples contained positive amplifications for ssu rRNA, dhfr, or dhps.