Figure 2From: Xenobiotic metabolizing enzyme gene polymorphisms predict response to lung volume reduction surgeryEffect of GSTP1 rs612020 polymorphism in patient subgroups defined by emphysema distribution and baseline exercise capacity. Six month change in BODE score is shown. The grey box represents the interquartile range, and the black line marks the median. One individual with T/T genotype has been removed for clarity of presentation.Back to article page