a statistical trendP=0.07
An increased NLR ratio was also associated with worse OS in PD-L1-positive patients (HR =1.092 with 95% CI: 1.031–1.157; P=0.003), in non-squamous NSCLC (HR =1.096 with 95% CI: 1.032–1.164; P=0.003) with a statistical trend in squamous NSCLC (HR =1.501 with 95% CI: 0.964–2.336; P=0.07).