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Table 2 Summary of mt COX-I PCR and CSP ELISA results

From: A comparison of PCR and ELISA methods to detect different stages of Plasmodium vivax in Anopheles arabiensis

Days

post-infection

Theoretical infection stage

Head/thorax

% (n/N)

Abdomen

% (n/N)

COX-I PCR

CSP ELISA

COX-I PCR

CSP ELISA

0.5

Macrogametocytes

69 (62/90)

0 (0/90)

88 (79/90)

0 (0/90)

1

Macrogametocytes

60 (54/90)

0 (0/90)

78 (69/89)

0 (0/90)

6

Oocysts only

44 (40/90)

0 (0/90)

67 (60/90)

1 (1/89)

9

Oocysts and Sporozoites

57 (51/89)

13 (12/89)

57 (51/89)

13 (12/89)

12

Oocysts and Sporozoites

75 (67/89)

49 (44/89)

77 (66/86)

52 (47/88)

15

Sporozoites

74 (67/90)

37 (33/90)

66 (59/90)

31 (28/90)

  1. Number (N) of specimens and percentages of Plasmodium vivax-positive results by PCR and ELISA based upon anterior (head and thorax) and posterior (abdomen) body segments of Anopheles arabiensis mosquitoes