PLOD1 and Hodgkins lymphoma: When adjusting for age, number of metastatic sites, liver metastasis, stage, CA19-9, and PS by multivariate Cox analysis, the HH group, but not the LH or HL group, was significantly associated with short OS (HH: HR = 1.42, 95%CI 1.18–1.71, p = 0.0002.