Transfusion transmitted virus infection in general populations and patients with various liver diseases in south China

Table 2 The prevalence of TTV infection in a natural village in Yunnan Province, regarding of sex, nationality and age

Result	Sexa			Nationalityb			Agec
	Male	Female	Total	Han	Yi	Total	< 14	14-55	> 55	Total
TTV positive	7	12	19	8	11	19	5	13	1	19
TTV negative	83	77	160	82	78	160	47	102	11	160
Total	90	89	179	90	89	179	52	115	12	179
Prevalence (%)	7.8	13.5	10.6	8.9	12.4	10.6	9.6	11.3	8.3	10.6

^aχ² = 1.535, P > 0.2;

^bχ² = 0.568, P > 0.4; ^cχ² = 0.178, P > 0.9.