Table I.

Transfusion-transmissible infections in blood donations to the Military Medical Academy, Belgrade, Serbia during the period 2005–2013.

Year	N. of blood units	Prevalence
		HBV		HCV		HIV		Syphilis
		N.	%	N.	%	N.	%	N.	%
2005	18,073	51	0.28	30	0.17	1	0.006	8	0.04
2006	18,113	46	0.25	22	0.12	1	0.006	8	0.04
2007	19,084	40	0.21	29	0.15	1	0.005	13	0.07
2008	18,081	43	0.24	24	0.13	1	0.006	10	0.06
2009	17,166	36	0.21	33	0.19	1	0.006	13	0.08
2010	17,401	31	0.18	15	0.09	1	0.006	16	0.09
2011	14,440	24	0.17	14	0.10	0	0.000	8	0.06
2012	16,583	17	0.10	13	0.08	1	0.006	7	0.04
2013	16,538	21	0.13	7	0.04	1	0.006	10	0.06
Total	155,479	309	0.20	187	0.12	8	0.005	93	0.06
p*			0.002		0.001		0.9		0.6

N: absolute number of positive blood donations; %: percentage of positive blood donations;

^*significance of year-to-year fluctuation, determined by the Chi-square test.

HBV: hepatitis B virus; HCV: hepatitis C virus; HIV: human immunodeficiency virus.