Validation of the prognostic model for palliative radiotherapy in older patients with cancer

Table 3 Prognostic factors affecting treatment response upon logistic regression analysis

Characteristics	OR (95%CI)	P value
Age	0.807 (0.579-1.126)	0.207
ECOG	0.956 (0.303-3.022)	0.940
Symptoms (pain vs others)	2.833 (0.389-20.179)	0.298
Treatment site (bone vs brain vs others)	0.834 (0.299-2.325)	0.728
Radiation dose, BED	1.021 (0.942-1.106)	0.610
PiPS (Months vs Weeks)	1.375 (0.120-15.721)	0.798
PPI (< 4 vs ≥ 4)	5.111 (0.592-44.146)	0.138
D-PaP without CPS (< 4 vs ≥ 4)	1.375 (0.120-15.721)	0.798

ECOG: Eastern Cooperative Oncology Group; BED: Biologically effective dose; PiPS: Prognosis in palliative care study; PPI: Palliative prognostic index; D-PaP: Delirium-palliative prognostic score; CPS: Clinical prediction of survival.