Effect of GPX1 expression and the LLMPP signature score on dOS. Patients are grouped in quartiles by GPX1 expression, with quartile 1 having the lowest and quartile 4 the highest level. The association with dOS is presented for the entire cohort (A), patients with the activated B-cell (ABC) subtype (B), and patients with non-ABC disease subtypes (C). Censoring not shown for simplicity.