TABLE 2

Comparison of the InBios and SciMedx ELISAs to the NIH LIPS assay for detection of IgG-class antibodies to S. stercoralis

ELISA usedAssay resultNIH LIPS assay result (no.)% agreement (95% CI)Kappa (95% CI)
PositiveNegativeOverallPositiveNegative
InBios Strongy DetectPositive40976.2 (67.0–83.5)74.1 (61.0–84.0)78.7 (64.9–88.2)0.53 (0.36–0.69)
Negative1337
Equivocal11
SciMedx StrongyloidesPositive421077.2 (68.1–84.4)77.8 (64.9–87.0)76.6 (62.6–86.7)0.53 (0.36–0.69)
Negative736
Equivocal51