Figure 1

Subject incidences of grade 3 or 4 neutropenia according to UGT1A1 genotype. Green, yellow, and pink bars represent the incidences for patients harbouring UGT1A1 wild-type (*1/*1), heterozygous (*1/*6, *1/*28), and homozygous (*6/*6, *6/*28, *28/*28) genotypes, respectively. Abbreviation: RR=relative risk.