Esophageal Cancer
Copyright ©The Author(s) 2003.
World J Gastroenterol. Mar 15, 2003; 9(3): 404-407
Published online Mar 15, 2003. doi: 10.3748/wjg.v9.i3.404
Table 4 Results of Cox model stepwise regression analysis
VariableParameter EstimatedStandard errorRRR
X60.62170.15490.17171.8621
X70.80570.19610.17632.2382
X80.66320.30750.03111.9409