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Table 3 Performance characteristic of HIV ELISA kits used for comparative evaluation

From: Comparative assessment of commercial ELISA kits for detection of HIV in India

Kit Name & Company Lot Kit Performance
   Sensitivity Specificity PPV NPV Efficiency
   (%) %Mean (95% CI) (%) %Mean (95% CI) (%) %Mean (95% CI) (%) %Mean (95% CI) (%) %Mean (95% CI)
Microlisa HIV Company: J. Mitra & Co. Pvt. Ltd. 1 100 100 100 99.3 100 99.0 100 100 100 99.6
(100-100) (98.2-100.3) (97.5-100.4) (100-100) (98.9-100.2)
2 100 98.3 97.6 100 99.0
3 100 100 100 100 100
4 100 98.3 97.6 100 99.0
5 100 100 100 100 100
Enzaids HIV 1 + 2 ELISA Company: SPAN Diagnostics Ltd. 1 100 100 98.3 99.3 97.6 99.0 100 100 99.0 99.6
2 100 (100-100) 100 (98.2-100.3) 100 (97.5-100.4) 100 (100-100) 100 (98.9-100.2)
3 100 100 100 100 100
4 100 100 100 100 100
5 100 98.3 97.6 100 99.0
ERBA LISA HIV 1 + 2 Company: Transasia Bio-medicals Ltd. 1 100 100 100 99.6 100 99.5 100 100 100 99.8
2 100 (100-100) 100 (98.7-100.4) 100 (98.3-100.6) 100 (100-100) 100 (99.3-100.2)
3 100 100 100 100 100
4 100 100 100 100 100
5 100 98.3 97.6 100 99.0
Genscreen Plus HIV Ag-Ab ELISA Company: Bio-Rad Laboratories., U.S.A 1 100 100 96.6 97.2 95.4 96.2 100 100 98.0 98.4
2 100 (100-100) 96.6 (96.1-98.2) 95.4 (94.8-97.5) 100 (100-100) 98.0 (97.7-99.0)
3 100 98.3 97.6 100 99.0
4 100 98.3 97.6 100 99.0
5 100 96.6 95.4 100 98.0
Vironostika HIV Ag/Ab Company: Biomerieux SA. France 1 100 100 96.6 96.9 95.4 95.8 100 100 98.0 98.2
2 100 (100-100) 96.6 (95.3-98.4) 95.4 (93.8-97.7) 100 (100-100) 98.0 (97.2-99.1)
3 100 98.3 97.6 100 99.0
4 100 95.0 93.4 100 97.0
5 100 98.3 97.6 100 99.0
  1. CI: Confidence Interval.