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Table 4 Specificity of four immunodiagnostic kits for clonorchiasis in China

From: Performance evaluation of existing immunoassays for Clonorchis sinensis infection in China

Kit Negative sera (Control 1) (n = 120) Healthy sera (Control 2) (n = 50) Heterologous sera (Control 3) (n = 67) Total (n = 237)
No. of false positives Specificity (%) (95% CI) No. of false positives Specificity (%) (95% CI) No. of false positives Specificity (%) (95% CI) No. of false positives Specificity (%) (95% CI)
T1 16 86.67 (80.58–92.75) 2 96 (90.57–100) 20 70.15 (59.68–81.5) 38 83.97 (79.29–88.64)
T2 12 90 (84.63–95.37) 1 98 (94.12–100) 17 74.63 (64.63–85.37) 30 87.34 (83.11–91.58)
T3 39 67.5 (59.10–75.88) 3 94 (87.42–100) 21 68.66 (58.05–80.18) 63 73.42 (67.79–79.04)
T4 23 80.83 (73.79–87.88) 2 96 (90.57–100) 10 85.07 (76.81–93.77) 35 85.23 (80.72–89.75)