Prognostic Nomogram for the Overall Survival of Patients with Newly Diagnosed Multiple Myeloma

Table 2

Multivariate analysis of the overall survivals of patients in the training cohort.

Variables	Overall survival
	HR	95% CI	P
Age at diagnosis, years	1.025	1.001−1.049	0.042
Clonal BM plasma cells	1.026	1.016−1.035	< 0.001
Serum albumin
⩾35 g/L
<35 g/L	1.043	0.589−1.846	0.885
Serum LDH
<250 U/L
⩾250 U/L	1.769	1.002−3.124	0.049
Serum β2-microglobulin
<5.5 mmol/L
≥5.5 mmol/L	1.709	1.041−2.807	0.034
1q21 gain (positive vs negative)	1.091	0.660−1.803	0.735
del (17p) (positive vs negative)	3.008	1.654−5.468	< 0.001

Abbreviations: HR, hazard ratio; CI, confidence interval; BM, bone marrow; LDH, lactate dehydrogenase.