Table 3.

Univariate Cox proportional hazards analysis of prognostic factors

Factors	All patients				Solitary
	HR	95% CI		p	HR	95% CI		p
Overall survival
Age (≤65 years vs. >65 years)	1.187	0.524–2.685		0.680	1.014	0.904–1.138		0.806
Tumour laterality (bilateral vs. unilateral;a left vs. rightb)	0.837	0.205–3.415		0.804	0.711	0.129–3.911		0.695
Synchronous vs. metachronous	0.681	0.302–1.532		0.353	0.420	0.089–1.989		0.271
İmminothreapy vs no	1.27	0.25 – 0.38		0.072	—	—		—
Solitary vs. other oligometastasis	2.497	0.988–6.320		0.045	—	—		—
SUVmax of AGMc	1.042	0.957–1.135		0.344	1.085	0.925–1.262		0.328
Complete response vs. others	0.510	0.138–1.879		0.312	0.479	0.085–2.697		0.404
Tumour size (≤3 cm vs. >3 cm)	1.012	0.982–1.043		0.426	1.008	0.957–1.062		0.764
Progression-free survival
Age (≤65 years vs. >65 years)	1.105	0.760–1.606		0.602	0.970	0.879–1.071		0.547
Tumour laterality (bilateral vs. unilateral;a left vs. rightb)	0.496	0.128–1.921		0.310	0.675	0.167–2.724		0.581
Metachronous vs. synchronous	1.018	0.44–2.201		0.964	1.085	0.269–4.368		0.909
Solitary vs. other oligometastasis	1.708	0.78–3.743		0.181	—	—		—
İmminotherapy vs no	1.47	0.12- 0.25		0.224	—	—		—
SUVmax of AGMc	1.014	0.936–1.100		0.730	1.016	0.893–1.160		0.812
Complete response vs. others	1.134	0.349–3.684		0.834	1.194	0.246–2.892		0.826
Tumour size (≤3 cm vs. >3 cm)	1.002	0.974–1.032		0.870	0.907	0.546–1.504		0.704

^aAll patients.

^bSolitary adrenal metastasis.

^cBefore SBRT.

HR: hazard ratio; CI: confidence interval, AGM: adrenal gland metastasis