Single Nucleotide Polymorphisms in miR-122 Are Associated with the Risk of Hepatocellular Carcinoma in a Southern Chinese Population

Table 1

Frequency distributions of the clinical features between HCC cases (n=1050) and controls (n=1079) [n(%)].

Variables	Cases	Controls	P
Age			0.053
<48	463 (44.10)	521 (48.29)
≥48	587 (49.00)	558 (51.71)
Sex			0.618
Male	917 (87.33)	950 (88.04)
Female	133 (12.67)	129 (11.96)
Smoking			<0.001
Never	663 (63.14)	908 (84.15)
Ever	387 (36.86)	171 (15.85)
Drinking			<0.001
Never	698 (66.48)	937 (86.84)
Ever	352 (33.52)	142 (13.16)
HBV infection			<0.001
No	176 (16.76)	981 (90.92)
Yes	874 (83.24)	98 (9.08)

P-value for Chi-square test.