Table 1 Distributions of the results by follow-up days (n = 103)

2011

 Patients observed (n)

37

37

37

36

36

35

35

35

 Microscopy (+)

37 (100)

25 (67.5)

8 (21.6)

4 (11)

1 (2.8)

0

0

1 (2.8)

 PCR (+)

37

34 (92)

20 (54)

13 (36)

8 (22)

4 (11)

1 (2.8)

1 (2.8)

2012

 Patients observed (n)

33 (100)

33

33

33

33

32

31

31

 Microscopy (+)

33

27 (82)

6 (18)

4 (12)

2 (6)

1 (3)

0

0

 PCR (+)

33

30 (91)

19 (58)

14 (42)

10 (30)

1 (3)

0

0

2013

 Patients observed (n)

33

33

33

33

33

29

29

29

 Microscopy (+)

33 (100)

30 (91)

6 (18)

5 (15)

3 (9)

0

0

1 (3.4)

 PCR (+)

33

33 (100)

30 (91)

21 (63.6)

17 (51.5)

11 (38)

5 (17)

3 (10)

Total

 Patients observed (n)

103

103

103

102

102

96

95

95

 Microscopy (+)

103 (100)

82 (80)

20 (19)

13 (13)

6 (6)

1 (1)

0

2 (2)

 PCR (+)

103

97 (94)

69 (67)

48 (47)

35 (34)

16 (17)

6 (6)

4 (4)