PLAT and hereditary angioedema: tPA was significantly higher in patients with HAE both during the attack 29.3 pg/mL (15.8–80.8 pg/mL) and remission (29.0 pg/mL, 12.6–71.2 pg/mL) in comparison to healthy subjects (12.31 pg/mL, 8.7–55.6 pg/mL, p = 0.004 and p = 0.04, respectively).