Factors Influencing the Efficacy of Anti-PD-1 Therapy in Chinese Patients with Advanced Melanoma

Table 3

Summary of responses data for different treatment groups.

Variables	PD-1 blockade alone	PD-1 blockade-based combination	value
ORR	10.80%	35.70%	0.036
DCR	56.80%	64.30%	0.518
mTTP (months)	5.0	7.0	0.273
mOS (months)	13.0	NA^a	0.242

ORR: objective response rate; DCR: disease control rate; TTP: time to progression; OS: overall survival; NA: not achieved. All were two-tailed. ^aThe median overall survival of the patients in this group was unavailable due to the limited follow-up time.