Fig. 3: Forest plot of odds ratio or hazard ratios for ORR, PFS and OS in the subgroup analysis.

Forest plots showing ORR (a1), PFS (b1) and OS (c1) hazard ratio analyses in the first-line treated group, ORR (a2), PFS (b2) and OS (c2) hazard ratio analyses in the previously treated group, ORR (a3), PFS (b3) and OS (c3) hazard ratio analyses in the PD-1 inhibitor group, ORR (a4), PFS (b4) and OS (c4) hazard ratio analyses in the PD-L1 inhibitor group, PFS (b5) and OS (c5) hazard ratio analyses in the non-squamous group and PFS (b6) and OS (c6) hazard ratio analyses in the squamous group. ICI immune checkpoint inhibitors, chemo-ICI ICI-combined chemotherapy.