Table 3

Sensitivity and specificity of cELISA relative to iELISAa

iELISAcELISA
PositiveNegativeTotal
Positive31233
Negative24951
Total335184
  • a Relative sensitivity = 31 of 33 (93.9%); relative specificity = 49 of 51 (96.1%). Positive, human serum with an iELISA cutoff OD of >0.61; negative, human serum with an iELISA cutoff OD of ≤0.61.