A polymorphism within ErbB4 is associated with risk for hepatocellular carcinoma in Chinese population

Table 2 Genotype and allele frequencies of rs6147150 among cases and controls, and risk of hepatocellular carcinoma n (%)

Genotype/allele	Cases		Controls		OR (95% CI)1	P value
12N ins/ins	109	40.4	143	53.0	1.00 (Reference)	-
12N ins/del	117	43.3	104	38.5	1.48 (1.03-2.17)	0.034
12N del/del	44	16.3	23	8.5	2.50 (1.37-4.56)	0.001
Ptrend						0.0006
12N ins	335	62.0	390	72.2	1.00 (Reference)	-
12N del	205	38.0	150	27.8	1.59 (1.22-2.07)	0.0003

¹adjusted for sex, age, smoking status, drinking status, HBV infection and tumor stage. HBV: Hepatitis B virus; OR: Odds ratio; CI: Confidence interval.