Skip to main content
. Author manuscript; available in PMC: 2023 Nov 1.
Published in final edited form as: NEJM Evid. 2023 Apr 25;2(5):10.1056/evidoa2200310. doi: 10.1056/evidoa2200310

Table 2:

Clonal hematopoiesis risk score (CHRS) values

Prognostic Variable 0.5 1 1.5 2 2.5
Single DNMT3A present absent
High Risk Mutation absent present
Mutation Number 1 ≥ 2
Variant Allele Fraction < 0.2 > 0.2
Red Cell Distribution Width < 15 ≥ 15
Mean Corpuscular Volume < 100 > 100
Cytopenia CHIP CCUS
Age < 65y ≥ 65y