P992: OUTCOMES OF GLOBAL COAGULATION ASSAYS IN PATIENTS WITH PHILADELPHIA-NEGATIVE MYELOPROLIFERATIVE NEOPLASMS WITH RESPECT TO THEIR CLINICAL AND GENETIC DETERMINANTS OF CLONAL EVOLUTION. (23rd June 2022) - Lucchesi, A.; Napolitano, R.; Bochicchio, M. T.; Simonetti, G.; Micucci, G.; Poggiaspalla, M.; Di Battista, V.; Musuraca, G.; Foca, F.; Giordano, G.; Catani, L.; Napolitano, M.