Table 3 Risk stratification of SMM No.... | American Society of Hematology

Table 3

Risk stratification of SMM

No. of risk factors	Patients, n (%)	Progression at 5 years
Mayo Clinic criteria*
1	76 (28)	25%
2	115 (42)	51%
3	82 (30)	76%
PETHEMA criteria**
0	28 (31)	4%
1	22 (25)	46%
2	39 (44)	72%

No. of risk factors	Patients, n (%)	Progression at 5 years
Mayo Clinic criteria*
1	76 (28)	25%
2	115 (42)	51%
3	82 (30)	76%
PETHEMA criteria**
0	28 (31)	4%
1	22 (25)	46%
2	39 (44)	72%

N = 273^53,54. Risk factors: (1) BMPCs >10%; (2) M-protein >3 g/L; and (3) FLC ratio <0.125 or >8.

N = 89⁵⁵. Risk factors: (1) ≥95% abnormal plasma cells, including decreased CD38 expression, expression of CD56, and absence of CD19 and/or CD45; and (2) immunoparesis.

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