Table 3. Association between plasma ZFAS1 expression and clinical characteristics in HCC patients.

Characteristics	n	ZFAS1 relative expression(log)
		Mean ± S.D.	t	P
Plasma**			−7.60	<0.001
HCC	60	−3.45 ± 0.51
Healthy controls	79	−4.01 ± 0.35
Gender			−0.735	0.465
Male	54	−3.47 ± 0.51
Female	6	−3.30 ± 0.55
Age			−0.942	0.35
<55	17	−3.55 ± 0.56
≧55	43	−3.41 ± 0.49
HBV DNA (IU/ml)			−0.704	0.485
<500	24	−3.49 ± 0.50
≧500	23	−3.40 ± 0.45
ALT (U/l)			−0.044	0.965
<46	29	−3.46 ± 0.53
≧46	31	−3.45 ± 0.50
AST (U/l)			0.488	0.628
<46	25	−3.42 ± 0.46
≧46	35	−3.48 ± 0.55
GGT (U/l)			−0.53	0.598
<55	20	−3.50 ± 0.48
≧55	40	−3.43 ± 0.53
AFP (ng/l)*			−2.91	0.006
<200	20	−3.64 ± 0.36
≧200	26	−3.26 ± 0.49
CEA			1.086	0.283
<5	42	−3.41 ± 0.53
≧5	9	−3.62 ± 0.51

Data are shown as mean ± S.D. Since we failed to collect all characteristics of the HCC patients, the total number may not be 60. Abrreviations: CEA, carcinoembyonic antigen

*P<0.05, **P<0.001.