nearly reached significanceP = 0.06
ECOG PS 2/3 was associated with shorter OS (HR 2.45, 95% CI 1.23-4.86, P = 0.011) and the presence of liver metastases nearly reached significance for shorter OS (HR 1.71, 95% CI 0.98-2.99, P = 0.06) adjusted for number of prior lines and bone metastases.