OS analyses by Kaplan-Meier curves in patients with HS. (A) Predicted OS in patients with HS. (B) Comparison of OS by race. (C) Comparison of OS by sex. (D) Comparison of OS of patients diagnosed between 2000 and 2007 and between 2008 and 2014. (E) Comparison of OS based on surgical treatment. (F) Comparison of OS based on the presence of concomitant NHL and AML. P < .05 was considered significant. PI, Pacific Islander.