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The overall survival was significantly different in myelodysplastic syndromes (MDS) patients classified according to the (A) Revised International Prognostic Scoring System (IPSS-R; Greenberg et al, 2012), (B) Makishima model (Makishima et al, 2017) and (C) Nazha model (Nazha et al, 2016) as shown by the Kaplan–Meier method.
