Sensitivity analysis showing unadjusted non-inferiority test results for overall survival (OS) using different dates to specify pre- and post-testing groups for adoption of KRAS testing.

1Difference in months = Post-testing - Pre-testing; CB: one sided 95% lower confidence bound (LCB). If LCB>−5.0 months, then the post-testing OS is not worse than the pre-testing OS. 2Unadjusted p-value for testing inferiority of OS in post- vs. pre-testing group.