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Table 4 Questionnaire on knowledge of the morphology of infected RBCs and answers of microscopists

From: Determining the active role of microscopists in community awareness-raising activities for malaria prevention: a cross-sectional study in Palawan, the Philippines

Point of discrimination

Plasmodium species

P. falciparum

P. vivax

P. malariae

n

%

n

%

n

%

Size of infected red blood cells

      

  Do not know

3

2.4

3

2.4

3

2.4

  Small

49

38.6

5

3.9

44

34.6

  Normal

74

58.3

4

3.1

74

58.3

  Big

1

0.8

114

89.8

6

4.7

Spots inside infected red blood cells

      

  Do not know

5

3.9

4

3.1

14

11

  Maurer’s dots

104

81.9

22

17.3

39

30.7

  Schuffner’s dots

16

12.6

98

77.2

20

15.7

  Ziemann’s dots

2

1.6

3

2.4

53

41.7

Several parasites inside the same red blood cell

      

  Do not know

5

3.9

10

7.9

11

8.7

  Always

72

56.7

40

31.5

48

37.8

  Sometimes

47

37

55

43.3

49

38.6

  Never

3

2.4

21

16.5

18

14.2

Parasite stages in the red blood sample

      

  Do not know

8

6.3

7

5.5

20

15.7

  Only the ring form

59

46.5

32

25.2

59

46.5

  All stages

60

47.2

87

68.5

44

34.6

Big ring structures

      

  Do not know

8

6.3

7

5.5

9

7.1

  Always

94

74

88

69.3

54

42.5

  Never

25

19.7

32

25.2

62

48.8

Chromatin dots

      

  Do not know

9

7.1

9

7.1

13

10.2

  Singular number

69

54.3

82

64.6

82

64.6

  Plural number

49

38.6

35

27.6

30

23.6

Band structures

      

  Do not know

2

1.6

5

3.9

6

4.7

  Always

48

37.8

34

26.8

107

84.3

  Never

77

60.6

88

69.3

14

11

Gametocytes in crescent form

      

  Do not know

2

1.6

5

3.9

9

7.1

  Always

118

92.9

9

7.1

19

15.0

  Never

7

5.5

113

89

99

78

  1. Correct answers are indicated with bold typeface.