Fig. 1: Thiamine levels in myeloproliferative neoplasms.

a Comparison of thiamine level between patients with or without myeloproliferative neoplasm (MPN). b Correlation between thiamine level and (i) JAK2V617F mutant allele burden and (ii) leukocyte count. c Comparison of thiamine level in 32 patients with primary myelofibrosis stratified by JAK2V617F mutational status with or without leukocytosis > 10 × 109/L