Determination of normalized ratios for patients’ samples
| Index names | Formulas |
|---|---|
| Screen ratio | Clotting time patient/normal reference interval mean (calculated with screening reagent) |
| Confirm ratio | Clotting time patient/normal reference interval mean (calculated with confirmatory reagent) |
| Normalized ratio | Screen ratio/confirm ratio |
| Percentage correction | [(Screen ratio – confirm ratio)/screen ratio] × 100 |