Table 6.

Univariate and multivariable cox analysis of the sequence of radiation therapy and immunotherapy.

Variables		Univariate analysis		Multivariable analysis
		HR (95% CI)	P	HR (95% CI)	P
Radiation therapy plus immunotherapy	RT and immx within 30 days	Ref		Ref
	RT >30 days bf Immx	0.713 (0.467–1.089)	0.117	0.636 (0.346–1.171)	0.146
	Immx >30 days bf RT	1.169 (0.663–2.060)	0.589	0.660 (0.328–1.329)	0.245

Immx, immunotherapy; RT, radiation therapy; Ref, reference.