Plasma and platelet FV antigen and activity levels in FV-deficient patients
| . | Plasma FV . | Platelet FV . | ||
|---|---|---|---|---|
| Antigen, % . | Activity, %* . | Antigen, % . | Activity, %* . | |
| PD I | 1.8 | < 0.5 | 4.7 | 1.7 |
| PD II | 5.7 | < 0.5 | 1.7 | 3.7 |
| PD III | 4.2 | < 0.5 | 0.4 | 6.4 |
| PD VII | 9.6 | 4.4 | 4.6 | 11.9 |
| Controls, n = 8 | 98.7 ± 20.9 | 106.5 ± 26.8 | 93.9 ± 32.5 | 93.6 ± 38.6 |
| . | Plasma FV . | Platelet FV . | ||
|---|---|---|---|---|
| Antigen, % . | Activity, %* . | Antigen, % . | Activity, %* . | |
| PD I | 1.8 | < 0.5 | 4.7 | 1.7 |
| PD II | 5.7 | < 0.5 | 1.7 | 3.7 |
| PD III | 4.2 | < 0.5 | 0.4 | 6.4 |
| PD VII | 9.6 | 4.4 | 4.6 | 11.9 |
| Controls, n = 8 | 98.7 ± 20.9 | 106.5 ± 26.8 | 93.9 ± 32.5 | 93.6 ± 38.6 |
FV activity was determined with a prothrombinase-based assay (see “Measurement of FV activity levels in plasma and platelets”).