Age-specific prevalence, transmission and phylogeny of TT virus in the Czech Republic

BMC Infectious Diseases

Table 1 Prevalence of TTV DNA by study groups

Number	Study group	Number of subjects	Number of TTV DNA positives (%)	Difference (p value)
1	blood donors	196	103 (52.6%)
2	patients with hemophilia	20	19 (95.0%)	<0.001
2	IDVUs	49	45 (91.8%)	<0.0001
3	sex workers	100	62 (62.0%)	NS
2, 3	penitentiary prisoners	50	37 (74.0%)	<0.05
4	children	208	141 (67.8%)	<0.005
4	cord blood samples	54	0 (0%)	-
5	patients with non A-E hepatitis	52	39 (75.0%)	<0.005
5	patients with HCV	74	66 (89.2%)	<0.0001
5	blood donors with increased ALT levels	51	31 (60.8%)	NS

Study groups: 1 = controls, 2 = subjects at high risk of parenterally transmitted infection, 3 = subjects at high risk of sexually transmitted infection, 4 = subjects at risk of transuterine or mother to child transmitted infection, 5 = subjects at risk of potential etiological involvement of TTV

ISSN: 1471-2334