Average corticosteroid dose over time. The average corticosteroid dose in milligrams per day at days 1, 14, 28, 56, 100, and 180 is displayed for patients who continued receiving ruxolitinib treatment. Data shown indicate median (horizontal line), mean (diamond), 75th and 25th quartiles (upper and lower boundaries, respectively), and minimum (lower error bar)/maximum (upper error bar).