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Calculator: Myelodysplastic syndrome international prognostic scoring system (Original IPSS) in adults


Calculator: Myelodysplastic syndrome international prognostic scoring system (Original IPSS) in adults

 
Percentage of bone marrow blasts

<5% (0 points)

5 to 10% (0.5 points)

11 to 20% (1.5 points)

21 to 30% (2.0 points)
Karyotype

Normal, Y-, 5q-, 20q- (0 points)

Abnormal chromosome 7 or 3 or more abnormalities (1.0 points)

All other cytogenic abnormalities (0.5 points)
Cytopenias (defined as hemoglobin <10 g/dL, absolute neutrophil count <1800/microL, platelet count <100,000/microL)

No cytopenia or cytopenia of 1 cell type (0 points)

Cytopenia of 2 or 3 cell types (0.5 points)

 
Important: Inputs must be complete to perform calculation.

 
Total criteria point count:
 

 

Prognostic score interpretation

 
0 points: Low (median survival of 5.7 yrs)
0.5 to 1 point: Intermediate 1 (median survival of 3.5 yrs.)
1.5 to 2.0 points: Intermediate 2 (median survival of 1.2 yrs.)
2.5 to 3.5 points: High (median survival of 0.4 yrs.)

 

 
Only digits 0 to 9 and a single decimal point (".") are acceptable as numeric inputs. Attempted input of other characters into a numeric field may lead to an incorrect result.

Information on this page may not appear correctly if printed.

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