Table 2.
Test concentration, calculation concentration and Bias% of different levels of hemolyzed serum (n = 6 in each group)
| Different levels of hemoglobin (g/L) | 10 | 20 | 50 | 100 | 120 | 150 | 200 | |
|---|---|---|---|---|---|---|---|---|
| Calculation concentration (Ccalculation, IU/mL) | Mean ± SD | 312.41 ± 376.89 | 300.79 ± 362.10 | 261.34 ± 312.85 | 197.2 9 ± 234.40 | 170.96 ± 202.14 | 132.33 ± 154.92 | 59.48 ± 68.44 |
| Range (median) | 32.35 to 930.05 (100.54) | 30.65 to 891.30 (97.07) | 25.54 to 765.35 (85.21) | 17.03 to 566.75 (65.48) | 13.62 to 484.40 (57.29) | 8.51 to 363.30 (45.43) | 1.70 to 159.85 (23.21) | |
| Test concentration (Ctest, IU/mL) | Mean ± SD | 293.19 ± 348.65 | 284.18 ± 339.06 | 229.79 ± 269.73 | 166.86 ± 195.08 | 142.85 ± 167.58 | 105.93 ± 125.28 | 47.98 ± 56.46 |
| Range (median) | 32.27 to 852.10 (95.86) | 30.44 to 825.50 (91.80) | 25.01 to 637.20 (75.97) | 16.44 to 452.50 (56.17) | 12.35 to 378.30 (47.46) | 7.66 to 292.20 (34.70) | 1.46 to 122.40 (17.32) | |
| Bias% | Mean ± SD | − 4.22 ± 2.74 | − 4.48 ± 2.31 | − 9.91 ± 5.83 | − 13.59 ± 6.43 | − 16.01 ± 6.14 | − 19.83 ± 5.21 | − 21.72 ± 7.52 |
| Range (median) |
− 0.26 to − 8.38 (− 4.01) |
− 0.7 to − 7.38 (− 4.92) |
− 2.08 to − 16.74 (− 10.09) | − 3.44 to − 20.16 (− 14.31) | − 8.55 to − 22.74 (− 16.78) | − 10.01 to − 23.99 (− 21.32) | − 11.00 to − 25.90 (− 24.27) | |