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Table 3 Number of samples (and percentages) found to be positive for the three different peptide serology markers

From: Assessment of multiplex Onchocerca volvulus peptide ELISA in non-endemic tropical regions

Sample set

Number (%) of plasma samples above “spot intensity cut-off” for peptide

OvMP-1

OvMP-23

OvNMP-48

3-peptide positives

Known onchocerciasis status

 Nodule positive (Ghana, n = 77)

76 (98.7)

75 (97.4)

74 (96.1)

72 (93.5)

 B. malayi (Indonesia, n = 19)

18 (94.7)

8 (42.1)

3 (15.8)

1 (5.3)

 W. bancrofti (Sri Lanka, n = 8; Tahiti, n = 2)

2 (20.0)

2 (20.0)

2 (20.0)

1 (10.0)

 Healthy controls (Belgium, n = 84)

0 (0)

4 (4.8)

4 (4.8)

0 (0)

 South America (n=89)

1 (1.1)

10 (11.2)

7 (7.9)

0 (0)

Unknown onchocerciasis status

 Kenya, Kisumu (n = 98)

86 (87.8)

55 (56.1)

45 (45.9)

30 (30.6)

 Kenya, Siaya (n = 98)

83 (84.7)

66 (67.3)

69 (70.4)

57 (58.2)

 STH/S. mansoni (Ethiopia, n = 24)

3 (12.5)

5 (20.8)

2 (8.3)

0 (0)

 Endemic controls (Ghana, n = 48)

46 (95.8)

46 (95.8)

43 (89.6)

40 (83.3)