Table 3

Interaction effect between COXi use and pretreatment NLR or type of ICI

ICI+COXi versus ICI alone
Melanoma cohortModified melanoma cohort
HR (95% CI)HR (95% CI)
Pretreatment NLR
High (NLR>5)0.08 (0.03 to 0.25)0.06 (0.02 to 0.24)
Low (NLR≤5)0.65 (0.32 to 1.32)0.7 (0.3 to 1.62)
Type of ICI
αPD-(L)10.62 (0.3 to 1.26)0.6 (0.27 to 1.34)
αCTLA-40.33 (0.13 to 0.82)0.21 (0.06 to 0.79)
αCTLA-4+αPD-10.47 (0.13 to 1.77)0.55 (0.14 to 2.14)
  • COXi, cyclo-oxygenase inhibitors; αCTLA-4, cytotoxic T-lymphocyte-associated protein 4 antibody; ICI, immune checkpoint inhibitor; NLR, neutrophil-to-lymphocyte ratio; αPD-(L)1, programmed cell death protein (ligand) 1 antibody.