did not reach statistical significanceP = 0.0359
No wonder OS difference did not reach statistical significance (hazard ratio, 0.74; 95% confidence interval, 0.53–1.03; p IS 0.0359 (P = 0.0359)). 17 Another alternative is the combination of nivolumab and ipilumab, 43 but it is usually not preferred over single-agent pembrolizumab.