Table 38.3. Durie and Salmon staging system for multiple myeloma

Table 38.3. Durie and Salmon staging system for multiple myeloma.
Stage	Criteria	Survival (months)
I	All the following:
	1. Hemoglobin >10 g/dL
	2. Serum calcium <12 mg/dL
	3. Normal bones or single plasmacytoma	46
	4. Low M component:
	a. IgG <5 g/dL
	b. IgA <3 g/dL
	c. Urinary M component: <4 g/24 h
II	Neither stage I nor III	32
III	At least one of following:
	1. Hemolobin <8.5 g/dL	23
	2. Serum calcium >12 g/dL
	3. Advanced bone disease
	4. High M component:
	a. IgG >7 g/dL
	b. IgA >5 g/dL	32
	c. Urinary M component: >12 g/24 h	11
Subclassification: A, serum creatinine <2.0 mg/dl; B, serum creatinine >2.0 mg/dl.