PD-1 axis expression in musculoskeletal tumors and antitumor effect of nivolumab in osteosarcoma model of humanized mouse

Table 2 Association of PD-L1, PD-L2, and PD-1 expressions in sarcomas

Tumor	Association of PD-1 axis expressions (P value)
Tumor	PD-L1 vs PD-L2	PD-L1 vs PD-1	PD-L2 vs PD-1	Combined PD-Ls vs PD-1
Sarcomas	0.104	0.694	0.036	0.000
Synovial sarcoma	0.405	0.617	0.868	0.017
Osteosarcoma	0.481	0.359	0.093	0.002
Chondrosarcoma	0.344	0.250	0.016	0.002

Abbreviations: PD-L1 programmed death ligand-1, PD-L2 programmed death ligand-2, PD-1 programmed death-1

ISSN: 1756-8722