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
ipilimumab plus SoC vs. placebo plus SoC 1 -292 [-921; 336] /10000
281/388 vs. 272/361