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. Author manuscript; available in PMC: 2021 May 27.
Published in final edited form as: Leuk Res. 2015 Apr 17;39(7):684–688. doi: 10.1016/j.leukres.2015.04.004

Table 4.

Sub-threshold fibrotic PV/ET patients with IWG-MRT criteria applied.

MPN type (with 1+ fibrosis) Number and type of IWG-MRT diagnostic criteria Number of patients whom meet criteria

PV 27 patients
 2 criteria -Symptoms/anemia =5 patients
-Anemia/leukoerythroblastosis =3 patients
-Anemia/splenomegaly =3 patients
-Symptoms/leukoerythroblastosis =2 patients
-Leukoerythroblastosis/splenomegaly =1 patient Total: 14 (52%)
 3 criteria -Symptoms/leukoerythoblastosis/splenomegaly =3 patients
-Symptoms/anemia/splenomegaly =2 patients
-Symptoms/anemia/leukoerythroblastosis =2 patients Total: 7 (26%)
 4 criteria -Symptoms/anemia/leukoerythroblastosis/splenomegaly =6 patients Total: 6 (22%)
ET 11 patients
2 criteria -Symptoms/anemia =6 patients
-Anemia/leukoerythroblastosis =2 patients Total: 8 (72%)
3 criteria -Symptoms/anemia/leukoerythroblastosis =2 patients Total: 2(18%)
4 criteria -Symptoms/anemia/leukoerythroblastosis/splenomegaly =1 patient Total: 1(9%)