Table 2.

Prevalence of hepatitis B markers detected in 801 students in Bangui

Serological markers present		Number (% of total*)	95% CI
HBsAg		124 (15.5)	13.0 - 18.0
	HBsAg only	10 (1.3)	0.5 - 2.0
	HBsAg, Anti-HBc Ab	114 (14.2)	11.8 - 16.6
Anti-HBc Ab only		207 (25.8)	23.1 - 29.3
HBsAg and/or Anti-HBc Ab		331 (41.3)	37.9 - 44.7
Anti-HBs Ab/Anti-HBc Ab		8 (1.0)	1.2 - 6.2

*801 individuals