Table 4.

Univariate analysis for 2-year OS

Variable	Group	Hazard ratio	95% CI	P-value
Number of organ involvement	1-2 3-4	Ref. 1.9	0.5-7.3	0.3
Bone marrow PC%	<10 ≥10	1.4 Ref.	0.4-5.4	0.6
Free light chain subtype	kappa lambda	0.3 Ref.	0.03-2.2	0.2
DFLC ( mg/dl) pre- transplant	<18 ≥18	0.4 Ref.	0.1-2	0.25
Urine protein 24 hours (g/d)	<1 ≥1	0.4 Ref.	0.1-1.4	0.1
β2 microglobulin (mcg/ml)	<3.5 ≥3.5	0.3 Ref.	0.1-1.2	0.09
Albumin serum (g/dl)	<3.5 ≥3.5	2.3 Ref.	0.6-8.6	0.2