APOB and coronary artery disorder: After LASSO penalisation (Figs. 3 and 4), 11 variables were retained: ECOG performance status, serum creatinine, apolipoprotein A, apolipoprotein B, coronary heart disease, prior VTE, central venous catheterisation, acute infection, G-CSF use, relapsed/refractory status, and red cell count.