Initially a univariate analysis, it assessed the following 14 pretreatment characteristics: age, sex, Ann Arbor stage, cell type, bone marrow involvement, number of nodal areas involved, largest tumor diameter, hemoglobin level, serum lactate dehydrogenase (LDH) level, serum β2-microglobulin level, performance status, erythrocyte sedimentation rate (ESR), serum albumin level, and peripheral blood lymphocyte count. The gene discussed is HLA-G; the disease is neoplasm.