Keywords: myelofibrosis; prognostic factors; quality of life; survival EN myelofibrosis prognostic factors quality of life survival 1065 1068 4 09/13/22 20220915 NES 220915 Patient-reported outcomes (PROs) have considerable value for survival prediction, and generally include both quality of life (QOL) and symptom measures. The COMFORT-I study enrolled 309 patients (155 ruxolitinib, 154 placebo); 111 (72%) placebo patients ultimately crossed over to ruxolitinib.4 Baseline GHS/QOL was available in 296 patients and did not differ by treatment arm (Table S1). Quality of life independently predicts overall survival in myelofibrosis: Key insights from the COntrolled MyeloFibrosis Study with ORal Janus kinase inhibitor Treatment (COMFORT)-I study. [Extracted from the article]