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. 2003 Aug;71(8):4772–4779. doi: 10.1128/IAI.71.8.4772-4779.2003

TABLE 4.

Comparison of recombinant Sxh56 ELISA with IFA to detect human serum IgG antibodya

IFA result No. with ELISA result
Positive Negative Total
Positive 133 18 151
Negative 15 397 412
Total 148 415 563
a

Sensitivity = 133/(133 + 18) × 100% = 88.08%; specificity = 397/(15 + 397) × 100% = 96.36%.