Table 3 Occurrence of gametocytes as detected by microscopy or NASBA in the different study groups at the start of the study and during subsequent follow-up.

DP group microscopy (n = 67)

Total number of positive cases

3

7

7

10

7

5

0

Number of new cases observed

5

2

0

3

0

0

DP group Nasba (n = 56)

Total number of positive cases

22

34^a

33^a

17

8

Number of new cases observed

13

8

5

0

AL group microscopy (n = 67)

Total number of positive cases

6

3

3

3

2

1

0

Number of new cases observed

1

1

0

1

0

0

AL group Nasba (n = 54)

Total number of positive cases

21

20

11

12

5

Number of new cases observed

6

4

6

0