Levels and activity of coagulation factors in patients with venous thrombosis and control subjects and cutoff values for the 80th and 90th percentile in control subjects
| Coagulation factor . | Cases, mean (range) . | Controls, mean (range) . | P80controls . | P90controls . |
|---|---|---|---|---|
| FII activity,* IU/mL | 112 (65-150) | 108 (75-150) | 117 | 127 |
| FVII activity, IU/mL | 113 (58-250) | 110 (47-170) | 132 | 149 |
| FVIII activity, IU/dL | 140 (61-263) | 106 (37-193) | 130 | 144 |
| FIX, IU/dL | 106 (63-159) | 105 (66-163) | 118 | 128 |
| Fibrinogen activity, g/L | 3.3 (2.0-6.2) | 3.2 (2.0-4.6) | 3.6 | 3.9 |
| vWF, g/L | 147 (67-567) | 109 (21-273) | 134 | 154 |
| Coagulation factor . | Cases, mean (range) . | Controls, mean (range) . | P80controls . | P90controls . |
|---|---|---|---|---|
| FII activity,* IU/mL | 112 (65-150) | 108 (75-150) | 117 | 127 |
| FVII activity, IU/mL | 113 (58-250) | 110 (47-170) | 132 | 149 |
| FVIII activity, IU/dL | 140 (61-263) | 106 (37-193) | 130 | 144 |
| FIX, IU/dL | 106 (63-159) | 105 (66-163) | 118 | 128 |
| Fibrinogen activity, g/L | 3.3 (2.0-6.2) | 3.2 (2.0-4.6) | 3.6 | 3.9 |
| vWF, g/L | 147 (67-567) | 109 (21-273) | 134 | 154 |
Cases and controls that were using anticoagulant therapy at the time of the blood draw were excluded for calculation of means of vitamin K–dependent coagulation factors.