NUDT15 and Decreased total leukocyte count: A recent meta-analysis of 30 studies in Asian populations found that NUDT15 genetic polymorphisms were associated with a pooled odds ratio of 11.43 (95% CI 7.11–18.35) for early leukopenia and 16.35 (95% CI 10.20–26.22) for early neutropenia [69].