High prevalence of chronic viral hepatitis B and C in Minnesota Somalis contributes to rising hepatocellular carcinoma incidence

Table 3 Rates of hepatitis B virus vaccination and susceptibility in Community Recruited Minnesota Somali Residents

Age group (yr)	HBV vaccinated		HBV susceptible
	HBV vaccinated1/total males, n	HBV vaccinated1/total females, n	HBV susceptible2/total males, n	HBV susceptible2/total females, n
≤ 20	4/8	4/9	3/8	3/9
21-30	27/89	37/74	23/89	19/74
31-40	22/92	23/92	26/92	28/92
41-50	15/72	19/82	13/72	31/82
51-60	8/50	13/64	7/50	17/64
61-70	4/35	5/40	5/35	8/40
> 70	10/43	4/29	7/43	3/29
Total	90/389	105/390	84/389	109/390
Age-adjusted frequency (per 1000 population)	299	305	253	282

¹Vaccinated: Hepatitis B surface antigen negative; anti-HBc negative; anti-HBs positive.

²Susceptible: Hepatitis B surface antigen negative; anti-HBc negative; anti-HBc negative.

HBV: Hepatitis B virus.