Table 2.
Comparison of test measurements produced by Abbott RBD, DiaSorin Trimeric S, Roche Elecsys and GenScript cPass assays in EDTA plasma, heparin plasma and serum samples.
| Abbott RBD | DiaSorin TrimericS | Roche Elecsys | GenScript cPass | P-value | |
|---|---|---|---|---|---|
| EDTA Plasma, n = 60 | |||||
| Positive, n | 30 | 31 | 34 | 25 | |
| Titer, BAU/mL | 0.30 | ||||
| Min | 17.2 | 39 | 0.9 | 36.1 | |
| Median, IQR | 130.4 (47.2, 431.9) | 291 (140, 1190) | 138.6 (38.3, 1764.4) | 259.2 (77, 453.6) | |
| Max | 2405.9 | 33,100 | 54,001.7 | 21,021.3 | |
| Heparin Plasma, n = 60 | |||||
| Positive, n | 32 | 29 | 32 | 24 | |
| Titer, BAU/mL | 0.10 | ||||
| Min | 7.4 | 46 | 3.0 | 37.0 | |
| Median, IQR | 114.8 (27.3, 561.7) | 419 (145, 1120) | 97.6 (34, 640.5) | 150.1 (69.6, 433.4) | |
| Max | 2467.7 | 7060 | 10,293.1 | 2913.8 | |
| Serum, n = 60 | |||||
| Positive, n | 30 | 30 | 33 | 30 | |
| Titer, BAU/mL | <0.0001 | ||||
| Min | 231.6 | 614 | 2.5 | 320.3 | |
| Median, IQR | 923 (465.8, 1670) | 1750 (1170, 3000) | 5917.7 (3010.3, 8154.3) | 1279 (806.3, 2267.5) | |
| Max | 6056.0 | 8770 | 33,954.5 | 9616.9 | |
P-values generated from comparing medians using the Kruskal-Wallis test, significant at < 0.05.
Min: minimum.
Max: maximum.