Table 2.

Characteristics of patients categorized as frail by different frailty indices

	Frail by International Myeloma Working Group criteria (N=22)	Frail by Revised Myeloma Comorbidity Index (N=7)	Frail by Carolina Frailty Index (N=15)
Age (mean ± standard deviation)	73.1 ± 5.7 years	74.4 ± 6.3 years	70.1 ± 3.8 years
Female Gender (number, percent)	7 (31.8%)	5 (71.4%)	7 (46.7%)
International Staging System: Stage I/II/III (number, frequency)*	4 (23.5%) / 5(29.4%) /8 (47.1%)	0 / 3(42.9%)/ 4 (57.1%)	2 (15.4%)/ 7 (53.8%) /4 (30.8%)
Karnofsky performance status (Mean ± standard deviation)	75.5 ± 13.4	61.4 ± 9.0	70.67 ± 12.8
Charlson Comorbidity Index Score (Mean ± standard deviation)	1.6 ± 1.9	1.7 ± 1.4	0.8 ± 1.0
Patients reporting one or more falls in the past 6 months(number, percent)	7 (31.8%)	3 (42.9%)	8 (53.3%)
Timed Up and Go(mean ± standard deviation)	14.2 ± 5.9 seconds	15.2 ± 4.1 seconds	14.3 ± 3.6 seconds
Orientatio n-Memory-Concentration Total(mean ± standard deviation)	4.3 ± 5.2	4.1 ± 8.0	3.9 ± 5.0
Dependence in any instrumental activities of daily living(number, percent)	15 (68.2%)	6 (85.7%)	15 (100%)
Mental health inventory (mean ± standard deviation)	75.3 ± 15.0	71.1 ± 17.7	66.0 ± 16.7