Table 3.

The summary of the meta-analysis with OS and PFS.

Subgroup	OS		PFS
	HR	95% CI	HR	95% CI
Melanoma	0.78	0.69–0.89	0.78	0.63–0.98
SCLC	0.87	080–0.95	0.78	0.69–0.89
NSCLC	0.71	0.66–0.77	0.86	0.77–0.95
Prostate	0.95	0.71–1.26	0.69	0.61–0.77
Urothelial	0.79	0.68–0.91	0.88	0.72–1.07
Total	0.79	0.74–0.84	0.80	0.75–0.86