P1447: INFERIOR OUTCOMES OF EU VS. US PATIENTS WITH RELAPSED/REFRACTORY LARGE B-CELL LYMPHOMA AFTER CD19 CAR T-CELL THERAPY ARE IMPACTED BY BASELINE RISK FACTORS AND CAR PRODUCT CHOICE. (23rd June 2022) - Bücklein, V.; Perez, A.; Iacoboni, G.; Rejeski, K.; Holtick, U.; Penack, O.; Kharboutli, S.; Blumenberg, V.; Ackermann, J.; Frölich, L.; Johnson, G.; Patel, K.; et al.