Fig. 2From: Are patients with high-risk polycythemia vera receiving cytoreductive medications? A retrospective analysis of real-world dataTypes of a preindex and b postindex cytoreductive medications by PV risk category. a Data were assessed during the preindex period (January 1 to December 31, 2012). Busulfan was reported by 0.3 and 0.6% of high-risk and low-risk patients, respectively, who received preindex cytoreductive therapy. b Data were assessed during the postindex period (January 1, 2013, to December 31, 2014). PV polycythemia veraBack to article page