Table 4.

Multivariate modeling for survival

Parameter	Hazard ratio	P
Female sex	0.724	.0359*
Age > 65 y	0.901	.5666
Melphalan dose < 200 mg/m2	1.672	.0011*
Absence of cardiac involvement	0.792	.1530
κ-light chain	0.724	.1108
Organs involved, number < 3	0.529	.0001*
Creatinine < 2 mg/dL	0.695	.0564
Alkaline phosphatase < 200 U/L	1.461	.0812

^*Statistically significant.