Primary analysis set
REGRESSION
The 3-year DFS rates were 87.8% (95% CI, 81.6–94.8%) in SILS+1 group and 86.9% (95% CI, 81.3–94.5%) in CLS group, with an absolute difference of 0.9% (95% CI, -8.7%to 5.8%) that did not exceed the prespecified noninferiority margin of -10% (Fig. 
Univariate and Multivariable Cox Regression Analyses of Risk Factors for SurvivalAbbreviation: HR, hazard ratio