Table 4 Sensitivity, specificity and accuracy based on quantitative and qualitative FCIA assay
Autoantibody category | Case (n) | Sensitivity (%) | Specificity (%) | Accuracy (%) | |||
|---|---|---|---|---|---|---|---|
Quantitative FCIA | Qualitative FCIA | Quantitative FCIA | Qualitative FCIA | Quantitative FCIA | Qualitative FCIA | ||
Anti-GPIX (%, n/n) | 534 | 31.84 (64/201) | 31.34 (63/201) | 91.29 (304/333) | 91.29 (304/333) | 68.91 (368/534) | 68.73 (367/534) |
Anti-GPIb (%, n/n) | 534 | 32.84 (66/201) | 32.34 (65/201) | 96.40 (321/333) | 96.40 (321/333) | 72.47 (387/534) | 72.28 (386/534) |
Anti-GPIIIa (%, n/n) | 534 | 32.84 (66/201) | 27.86 (56/201) | 95.20 (317/333) | 97.30 (324/333) | 71.72(383/534) | 71.16 (380/534) |
Anti-GPIIb (%, n/n) | 534 | 30.35 (61/201) | 25.87 (52/201) | 95.80 (319/333) | 97.30 (324/333) | 71.16 (380/534) | 70.41 (376/534) |
Anti-P-selectin (%, n/n) | 534 | 40.30 (81/201) | 39.80 (80/201) | 95.80 (319/333) | 96.10 (320/333) | 74.91 (400/534) | 74.91 (400/534) |
5 antibody combined (%, n/n) | 534 | 73.13 (147/201) | 73.13 (147/201) | 81.98 (273/333) | 82.88 (276/333) | 78.65 (420/534) | 79.21 (423/534) |