Table 4 Median values and ranges of sensitivity, specificity and positive and negative predictive values obtained from the validation sets

IFAT

100 (100–100)

29.2 (13.6–45.4)

59.5 (48.7–71.4)

100 (100–100)

NovaTec ELISA

93.3 (86.4–100)

83.3 (73.9–95.45)

85.2 (73.1–96.6)

92 (86.4–100)

in-house ELISA

96.2 (90.5–100)

86.2 (76.9–100)

88 (76–100)

95.4 (89.5–100)

ICT

80 (64–96)

96 (89.5–100)

95.2 (88.9–100)

82.1 (68–96)