Haematology · Oncology
International Staging System for Multiple Myeloma calculator
Enter the published formula inputs below to calculate and interpret this score.
Clinical inputs
mg/dL
Allowed range: 0.05–4 mg/dL
Quick picks
The paper uses mg/L. Stage I requires a value below 3.5. Stage III begins at 5.5.
g/dL
Allowed range: 1–6 g/dL
Quick picks
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Clinical inputs
- Serum beta-2 microglobulin (mg/L)Accepted range: 0.5 to 40
- Serum albumin (g/dL)Accepted range: 1 to 6
Primary source
Greipp PR et al. International staging system for multiple myeloma. J Clin Oncol. DOI: 10.1200/JCO.2005.04.242. PMID: 15809451. Stage I is serum beta-2 microglobulin below 3.5 mg/L and albumin at least 3.5 g/dL (median survival 62 months). Stage III is beta-2 microglobulin at least 5.5 mg/L (29 months). Stage II is neither I nor III (44 months). (2005)
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