Table 1. Performance of SS-NIE-1 ELISA and Luminex.
Assay Characteristics | SS-NIE-1 ELISA | 95% CI * | Ss-NIE-1 Luminex | 95% CI |
---|---|---|---|---|
Cut-off point | 0.8 ng IgG4/ mL | 8 MFI units | ||
J-index | 0.88 | 0.88 | ||
Sensitivity: N Positive/ N Tested (%) | 245/258 (95) | 92–97 | 162/175 (93) | 88–96 |
Specificity: N Negative/ N Tested (%) | 303/325 (93) | 90–96 | 349/366 (95) | 93–97 |
Note: * CI = confidence interval