Table 4.

Multivariate analysis for disease-free survival and overall survival in the AYA and non-AYA groups

	Disease-free survival			Overall survival
	HR	95% CI	P value	HR	95% CI	P value
AYA group
Maximum tumor size > 5 cm	1.3	1.1–2.4	< 0.01	1.5	1.1–2.7	< 0.01
Portal vein invasion	1.8	1.5–2.3	< 0.01	1.6	1.4–2.4	< 0.01
Tumor capsule formation	0.6	0.3–0.8	< 0.05
TNM stage	2.1	1.5–3.1	< 0.01	3.1	2.1–5.4	< 0.01
AFP > 100 ng/dL				1.4	1.1–2.5	< 0.01
Non-AYA groups
Maximum tumor size > 5 cm	1.5	1.2–2.1	< 0.01	1.7	1.2–2.6	< 0.01
Portal vein invasion	2.1	1.3–3.3	< 0.01	2.5	1.4–3.5	< 0.01
Satellite nodules	1.9	1.3–2.7	< 0.05
Tumor capsule formation	0.5	0.2–0.9	< 0.05	0.7	0.3–0.9	< 0.01
TNM stage	2.7	1.3–4.1	< 0.01	1.8	1.1–3.1	< 0.01
AFP > 100 ng/dL				2.0	1.2–4.1	< 0.05