Absolute numbers of CEC expressing activation-related adhesion and procoagulant molecules.

Abbreviations: CEC, circulating endothelial cells; MPN, myeloproliferative neoplasms; VTE, venous thromboembolism; ET, essential thrombocythaemia, PV, polycythaemia vera; NA, not applicable; NS, not statistically significant. Results are presented as median (minimum – maximum) values. *Patients versus controls; Mann-Whitney test; p<0.05 was considered statistically significant.