Table 3.

Co-occurrence of mutations

PV JAK2V617FET JAK2V617FET CALRmutET MPLmPMF JAK2V617FPMF CALRmutPMF MPLm
% (No. of patients)
TET2 8.33 (4) 5.26 (3) 0 (0) 0 (0) 28.95 (11) 2.63 (1) 2.63 (1) 
DNMT3A 6.25 (3) 7.02 (4) 0 (0) 3.51 (2) 7.89 (3) 0 (0) 0 (0) 
ASXL1 0 (0) 3.51 (2) 0 (0) 1.75 (1) 15.79 (6) 7.89 (3) 0 (0) 
IDH1/IDH2 2.08 (1) 1.75 (1) 0 (0) 0 (0) 2.63 (1) 0 (0) 0 (0) 
EZH2 2.08 (1) 0 (0) 1.75 (1) 0 (0) 2.63 (1) 2.63 (1) 0 (0) 
SF3B1 4.17 (2) 0 (0) 0 (0) 0 (0) 2.63 (1) 0 (0) 0 (0) 
U2AF1 0 (0) 0 (0) 0 (0) 0 (0) 7.89 (3) 0 (0) 0 (0) 
PV JAK2V617FET JAK2V617FET CALRmutET MPLmPMF JAK2V617FPMF CALRmutPMF MPLm
% (No. of patients)
TET2 8.33 (4) 5.26 (3) 0 (0) 0 (0) 28.95 (11) 2.63 (1) 2.63 (1) 
DNMT3A 6.25 (3) 7.02 (4) 0 (0) 3.51 (2) 7.89 (3) 0 (0) 0 (0) 
ASXL1 0 (0) 3.51 (2) 0 (0) 1.75 (1) 15.79 (6) 7.89 (3) 0 (0) 
IDH1/IDH2 2.08 (1) 1.75 (1) 0 (0) 0 (0) 2.63 (1) 0 (0) 0 (0) 
EZH2 2.08 (1) 0 (0) 1.75 (1) 0 (0) 2.63 (1) 2.63 (1) 0 (0) 
SF3B1 4.17 (2) 0 (0) 0 (0) 0 (0) 2.63 (1) 0 (0) 0 (0) 
U2AF1 0 (0) 0 (0) 0 (0) 0 (0) 7.89 (3) 0 (0) 0 (0) 

Results are extracted from Nangalia et al29  because it is one of the rare studies in which all types of MPNs are available. Overall, 143 patients: PV, 43; ET, 57; and PMF, 38. Percentages are expressed for each MPN, irrespective of the MPN drive mutation. Thus, percentages are calculated on a very low number of patients due to the heterogeneity of the disorder, explaining differences with other studies, more particularly for the mutations in splicing genes.

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