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Table 2 Performance characteristic of HIV, HBsAg and HCV ELISA kits used for comparative evaluation

From: Performance and diagnostic usefulness of commercially available enzyme linked immunosorbent assay and rapid kits for detection of HIV, HBV and HCV in India

Test Parameter

Kit Company

Lot

Kit Performance

Sensitivity

Specificity

PPV

NPV

Efficiency

(%)

%Mean (95%CI)

(%)

%Mean (95%CI)

(%)

%Mean (95%CI)

(%)

%Mean (95%CI)

(%)

%Mean (95%CI)

HIV

J. Mitra & Co. Pvt. Ltd.

1

100

100 (100–100)

100

100 (100–100)

100

100 (100–100)

100

100 (100–100)

100

100 (100–100)

2

100

100

100

100

100

3

100

100

100

100

100

SPAN Diag. Ltd.

1

100

100 (100–100)

96.7

98.9 (96.8-100.9)

95.2

98.4 (95.8-101.0)

100

100 (100–100)

98.0

99.3 (98.3-100.4)

2

100

100

100

100

100

3

100

100

100

100

100

Transasia Bio medicals Ltd.

1

100

100 (100–100)

100

100 (100–100)

100

100 (100–100)

100

100 (100–100)

100

100 (100–100)

2

100

100

100

100

100

3

100

100

100

100

100

HBsAg

J. Mitra & Co.Pvt. Ltd.

1

100

100 (100–100)

100

100 (100–100)

100

100 (100–100)

100

100 (100–100)

100

100 (100–100)

2

100

100

100

100

100

3

100

100

100

100

100

SPAN Diag. Ltd.

1

100

100 (100–100)

96.7

97.8 (96.0 −99.6)

95.2

96.8 (94.2 −99.4)

100

100 (100–100)

98.0

98.7 (97.6-99.7)

2

100

100

100

100

100

3

100

96.7

95.2

100

98.0

Transasia Bio medicals Ltd.

1

100

100 (100–100)

100

100 (100 −100)

100

100 (100–100)

100

100 (100–100)

100

100 (100–100)

2

100

100

100

100

100

3

100

100

100

100

100

HCV

J. Mitra & Co.Pvt. Ltd.

1

100

100 (100–100)

87.5

88.1 (87.1 −89.1)

86.3

86.9 (86.0 −87.8)

100

100 (100–100)

93.0

93.3 (92.8-93.9)

2

100

87.5

86.3

100

93.0

3

100

89.3

88.0

100

94.0

SPAN Diag. Ltd.

1

100

100 (100–100)

89.3

94.0 (90.2 −97.8)

88.0

93.1 (89.0 −97.2)

100

100 (100–100)

94.0

96.7 (94.5-98.8)

2

100

96.4

95.7

100

98.0

3

100

96.4

95.7

100

98.0

Transasia Bio medicals Ltd.

1

100

100 (100–100)

100

100 (100–100)

100

100 (100–100)

100

100 (100–100)

100

100 (100–100)

2

100

100

100

100

100

3

100

100

100

100

100

  1. CI- Confidence Interval, PPV-Positive Predictive Value, NPV-Negative Predictive Value.