TABLE 2.
Comparison of the InBios and SciMedx ELISAs to the NIH LIPS assay for detection of IgG-class antibodies to S. stercoralis
| ELISA used | Assay result | NIH LIPS assay result (no.) |
% agreement (95% CI) |
Kappa (95% CI) | |||
|---|---|---|---|---|---|---|---|
| Positive | Negative | Overall | Positive | Negative | |||
| InBios Strongy Detect | Positive | 40 | 9 | 76.2 (67.0–83.5) | 74.1 (61.0–84.0) | 78.7 (64.9–88.2) | 0.53 (0.36–0.69) |
| Negative | 13 | 37 | |||||
| Equivocal | 1 | 1 | |||||
| SciMedx Strongyloides | Positive | 42 | 10 | 77.2 (68.1–84.4) | 77.8 (64.9–87.0) | 76.6 (62.6–86.7) | 0.53 (0.36–0.69) |
| Negative | 7 | 36 | |||||
| Equivocal | 5 | 1 | |||||