International prognostic index (IPI)--a critical comparison with five multiple myeloma staging systems in the group of 270 patients treated by conventional chemotherapy.

SCUDLA V, ZEMANOVA M, MINARIK J, BACOVSKY J, ORDELTOVA M, INDRAK K, BUDIKOVA M, DUSEK L, FARBIAKOVA V

Abstract:

In the group of 270 patients with multiple myeloma (MM) treated during 1991-2004 by conventional chemotherapy, the prognostic value and practical utility of IPI (International Prognostic Index) was assessed and compared with five other actual staging systems. Prognostic significance was assessed using the curves of overall survival (OS) according to Kaplan-Meier and log rank test (p