Table 4.
Plasma levels of D-dimer, plasminogen, and PAI-1 in 18 patients with idiopathic ON, 18 patients with corticosteroid-associated ON, and 44 healthy controls
| D-dimer | Plasminogen | PAI-1 | |
|---|---|---|---|
| (ng/mL) | (%) | (ng/mL) | |
| Idiopathic ON | |||
| mean (SD) | 241 (132) | 115 (18) b | 4.6 (2.6) |
| median | 173 | 118 | 4.7 |
| range | 86–553 | 72–149 | 1.2–10.5 |
| Corticosteroid-associated ON | |||
| mean (SD) | 384 (274) a | 104 (15) | 3.6 (1.9) |
| median | 333 | 101 | 2.9 |
| range | 85–1000 | 84–129 | 1.5–7.1 |
| Healthy controls | |||
| mean (SD) | 173 (72) | 104 (16) | 3.4 (1.8) |
| median | 164 | 101 | 3.2 |
| range | 65–338 | 65–129 | 0.6–8 |
a p = 0.004 vs. healthy controls
b p = 0.02 vs. healthy controls