Table 3.
Multivariate analysis of prognostic factors associated with overall survival probability assessed by fitting a Cox proportional hazards model with the stepwise variable selection method

n = 156.
Value of Akaike information criteria = 1,735.87 (p < .001).
Abbreviations: CI, confidence interval; ECOG PS, Eastern Cooperative Oncology Group performance status; HR, hazard ratio; SE, standard error; ULN, upper limit of normal.