P908: FACTORS ASSOCIATED WITH THE CLINICAL PROGNOSTIC PERFORMANCE OF MINIMAL RESIDUAL DISEASE ASSESSMENT BY NEXT GENERATION FLOW CYTOMETRY IN MULTIPLE MYELOMA. (23rd June 2022) - Nandakumar, B.; Baranwal, A.; Ebraheem, M.; Olteanu, H.; Shi, M.; Kumar, S.; Gonsalves, W.; Jevremovic, D.