deaths (OS)

Extensive stage SCLC (Es-SCLC) - maintenance (M) Extensive stage SCLC (Es-SCLC) Extensive stage SCLC (Es-SCLC) - maintenance (M)

versus placebo
nivolumab alone vs. placebo 1 0.84 [0.69; 1.02], 1 RCT, I2=0%
inconclusive result