Table 2.
Comparability testing on 40 patient-pool EDTA plasma samples for hs-cTnI (ng/L).
| Abbott hs-cTnI (n=8 measures on same samples) | ||||
|---|---|---|---|---|
| Average hs-cTnI (ng/L) | Minimum result | Maximum result | Absolute difference between maximum and minimum results | Coefficient variation (CV) (%) |
| 1.6 | 1.3 | 2.2 | 0.8 | 18 |
| 2.3 | 2.0 | 2.8 | 0.8 | 12 |
| 4.1 | 3.9 | 4.3 | 0.4 | 4 |
| 4.7 | 3.6 | 5.7 | 2.1 | 15 |
| 7.1 | 6.2 | 8.0 | 1.8 | 8 |
| 7.9 | 7.5 | 8.3 | 0.7 | 4 |
| 9.7 | 8.7 | 10.6 | 1.9 | 7 |
| 9.7 | 8.8 | 10.9 | 2.1 | 8 |
| 10 | 9.3 | 10.6 | 1.2 | 5 |
| 12 | 11 | 21 | 10 | 31 |
| 13 | 12 | 14 | 2 | 6 |
| 15 | 13 | 18 | 5 | 12 |
| 16 | 15 | 17 | 2 | 4 |
| 17 | 13 | 20 | 7 | 15 |
| 18 | 16 | 19 | 3 | 5 |
| 19 | 17 | 20 | 3 | 5 |
| 20 | 18 | 23 | 5 | 9 |
| 27 | 24 | 28 | 4 | 5 |
| 31 | 29 | 33 | 4 | 5 |
| 37 | 33 | 45 | 12 | 10 |
| 44 | 40 | 50 | 10 | 7 |
| 46 | 44 | 50 | 6 | 4 |
| 53 | 49 | 56 | 7 | 5 |
| 64 | 62 | 67 | 5 | 3 |
| 64 | 60 | 70 | 10 | 5 |
| 117 | 110 | 125 | 15 | 5 |
| 137 | 131 | 147 | 17 | 4 |
| 147 | 138 | 156 | 19 | 6 |
| 167 | 158 | 185 | 27 | 6 |
| 242 | 207 | 299 | 92 | 15 |
| 284 | 270 | 300 | 30 | 4 |
| 419 | 399 | 458 | 59 | 5 |
| 527 | 489 | 574 | 85 | 6 |
| 1145 | 936 | 1317 | 381 | 12 |
| 1349 | 1250 | 1412 | 162 | 5 |
| 1506 | 1380 | 1639 | 259 | 7 |
| 1546 | 1321 | 1747 | 426 | 11 |
| 1641 | 1534 | 1853 | 319 | 7 |
| 3350 | 3126 | 3483 | 357 | 5 |
| 7016 | 6597 | 7409 | 812 | 4 |