Table 4. Correlations between tPA and plasmin-anti-plasmin and other haemostatic variables, Endothelin-1 and Interleukin-6 in patients with IPAH.

	tPA		Plasmin-anti-plasmin
	r	P	r	P
Plasmin-anti-plasmin [ng/ml]	0.4	0.01	-	-
TAT (ng/ml)	0.1	0.64	0.03	0.86
F1+2 (ng/ml)	-0.38	0.06	-0.3	0.12
PAI-1 (ng/ml)	0.44	0.03	0.29	0.13
D-Dimer (ng/ml)	0.34	0.09	0.02	0.93
Fibrinogen	-0.01	0.68	-0.1	0.64
Il-6	0.63	<0.001	0.39	0.04
ET-1	0.59	0.001	0.55	0.003

ET-1 - endothelin-1, F1+2 - prothrombin fragments 1+2, IL-6 - interleukin 6, tPA- tissue plasminogen activator, PAI-1 - plasminogen activator inhibitor, TAT - thrombin-anti-thrombin