Dynamic International Prognostic Scoring System for MyelofibrosisLoading...Age, years≤ 650> 65+1White blood cell count, x10^9/dL≤ 250> 25+1Hemoglobin, g/dL≥ 100< 10+2Peripheral blood blasts< 1%0≥ 1%+1Constitutional symptomsNo0Yes+1适用指征洞见与注意事项