TABLE 4

Prognostic Factors on Tumor Control After SABR by Cox Proportional Hazards Model

Variable	Crude hazard ratio	P	Adjusted hazard ratio^*	P
Age, ≥60 vs. <60 y	1.23 (0.38–3.95)	0.729
Sex, female vs. male	0.38 (0.05–2.93)	0.354
ECOG, 1/2 vs. 0	0.99 (0.33–2.98)	0.985
AJCC stage, III/IV vs. I/II	2.09 (0.72–6.05)	0.176
CLIP score, >1 vs. ≤1	1.87 (0.62–5.65)	0.266
Child–Pugh B vs. A	0.04 (0.01–471.94)	0.509
AFP, >100 vs. ≤100 ng/mL	1.05 (0.33–3.34)	0.941
SABR dose, >40 vs. ≤40 Gy	0.96 (0.33–2.78)	0.942
Tumor volume, >40 vs. ≤40 cm³	2.65 (0.83–8.47)	0.100	1.79 (0.44–7.39)^†	0.419
Visual ¹⁸F-FDG uptake, + vs. −	2.24 (0.77–6.47)	0.138	1.95 (0.50–7.52)	0.334
T_SUVmax, >3.2 vs. ≤3.2	4.99 (1.10–22.51)	0.037	9.40 (1.18–74.76)	0.034
T_SUVmean, >2.9 vs. ≤2.9	1.38 (0.48–3.98)	0.552	1.31 (0.42–4.06)	0.644
T_SUVmax/L_SUVmax, >1.15 vs. ≤1.15	2.23 (0.74–6.71)	0.152	1.61 (0.45–5.71)	0.461
T_SUVmax/L_SUVmean, >1.25 vs. ≤1.25	2.43 (0.68–8.75)	0.173	1.31 (0.28–6.07)	0.734
CT/¹⁸F-FDG PET score, >4 vs. ≤4	5.23 (1.17–23.47)	0.031	4.96 (1.05–23.40)^†	0.043

↵* Adjusted for sex, AJCC stage, CLIP score, Child–Pugh classification, and tumor volume.
↵† Adjusted for sex, AJCC stage, CLIP score, and Child–Pugh classification.
ECOG = Eastern Cooperative Oncology Group.
Data in parentheses are 95% confidence intervals.