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

Table 1 Prevalence of TTV infection among study cohorts

Groups	TTV positive rate (n)	TTV negative rate (n)	Total
Rural population	10.61 (19)	89.39 (160)	179
Cryptogenic hepatitisa	38.63 (17)	61.37 (27)	44
HBsAg asymptomatic carrier	9.62 (5)	90.38 (47)	52
Chronic hepatitis Bb	15.22 (7)	84.78 (39)	46
HBV related active liver cirrhosisc	22.5 (9)	77.5 (31)	40
HBV related hepatic failured	23.08 (9)	76.92 (30)	39
Hepatocyte carcinomae	9.52 (2)	90.48 (19)	21
Total	16.15 (68)	83.85 (353)	421

^aχ² = 20.486, P < 0.005 vs rural population;

^bχ² = 0.713, P > 0.25 vs HBsAg asymptomatic carrier;

^cχ² = 0.749, P > 0.25 vs chronic hepatitis B;

^dχ² = 0.853, P > 0.25 vs chronic hepatitis B;

^eχ² = 0.000, P > 0.9 vs HBsAg asymptomatic carrier.