Table 1.

Correlation of HOTAIR and Plk1 up-regulation between Tumor and Non-Tumor (ratio ≥ 2) to clinico-pathological features of 13 HBV-related HCCs (Group B). AFP = α-fetoprotein Spearman's correlation coefficient (P value) shown in parenthesis.

Marker over-expression in Tumors	HOTAIR(+)	Plk1(+)	Group A vs. Group B
Presence of cirrhosis	−0.29 (.29)	−0.41 (.13)	0.37 (.09)
Tumor size > 50 mm	0.28 (.29)	0.27 (.32)	−0.20 (.36)
Poor differentiation status (WHO classification)	0.09 (.73)	−0.20 (.47)	0.09 (.68)
AFP > 200 ng/mL	0.001 (.99)	0.27 (.32)	0.05 (.81)
Microvascular invasion	0.28 (.29)	0.41 (.13)	−0.13 (.56)
Portal neoplastic embolization	−0.1 (.72)	0.35 (.19)	0.03 (.90)
Presence of satellite nodules	0.57 (.02)	0.06 (.80)	− 0.81 (.05)