deaths (OS)

limited stage SCLC (ls-SCLC) - maintenance (M) limited stage SCLC (ls-SCLC) limited stage SCLC (ls-SCLC) - maintenance (M)

versus no additional treatment
nivolumab plus ipilimumab vs. no additional treatment 1 0.95 [0.59; 1.52], 1 RCT, I2=0%
inconclusive result