deaths (OS)

squamous - mNSCLC - L1 - all population metastatic/advanced NSCLC (mNSCLC) - 1st line (L1) squamous cell - mNSCLC - L1 squamous - mNSCLC - L1 - all population

versus placebo plus SoC
pembrolizumab plus SoC vs. placebo plus SoC 1 -1213 [-2005; -421] /10000
85/278 vs. 120/281