Table 1. International Staging System... | American Society of Hematology

Table 1.

International Staging System for multiple myeloma (MM).

Stage	Parameters	Median survival
Adapted with permission from Greipp et al.¹⁰
1	β₂-microglobulin <3.5 mg/L and albumin >3.5 g/dL	62 months
2	β₂-microglobulin <3.5 mg/L and albumin <3.5 g/dL, or β₂-microglobulin 3.5–5.5 mg/L	44 months  29 months
3	β₂-microglobulin >5.5 mg/L

Stage	Parameters	Median survival
Adapted with permission from Greipp et al.¹⁰
1	β₂-microglobulin <3.5 mg/L and albumin >3.5 g/dL	62 months
2	β₂-microglobulin <3.5 mg/L and albumin <3.5 g/dL, or β₂-microglobulin 3.5–5.5 mg/L	44 months  29 months
3	β₂-microglobulin >5.5 mg/L