Retrospective Cohort Study
Copyright ©The Author(s) 2015.
World J Gastroenterol. Apr 28, 2015; 21(16): 4911-4918
Published online Apr 28, 2015. doi: 10.3748/wjg.v21.i16.4911
Table 3 Multivariate analysis of overall survival
Prognostic factorHazard ratio95%CISignificance
Initial ECOG (2/3 vs 0/11)3.92.0-7.5P < 0.001
Secondline (Yes vs No1)0.440.2-0.8P = 0.006
Very old (≥ 75 yr vs < 75 yr1)1.360.7-2.5P = 0.314