borderline significancep = 0.049
The KRD regimen showed borderline significance (median PFS: 13.54 vs 23.41 months, p = 0.049), while the trends in both E-IRD (median PFS: 13.41 vs 21.61 months, p = 0.441) and L-IRD (median PFS: 11.57 vs 9.18 months, p = 0.785) groups were insignificant, Fig. 3 .