Table 1.

ECOG proxy of IMWG algorithm of frailty

Category	Score
Age
≤75 years	0
76–80 years	1
>80 years	2
Charlson Comorbidity Index
≤1	0
>1	1
ECOG performance status
0	0
1	1
≥2	2
Sum of scores
Nonfrail	0–1
Frail	≥2

ECOG Eastern Cooperative Oncology Group, IMWG International Myeloma Working Group