95 (37%) havde tidligere modtaget kemoterapi til behandling af enten accelereret fase eller blastkrise (” tidligere behandlede patienter ”), hvorimod 165 (63%) ikke havde (” ubehandlede patienter ”).
95 (37%) had received prior chemotherapy for treatment of either accelerated phase or blast crisis (“ pretreated patients”) whereas 165 (63%) had not (“ untreated patients”).