Studies

Countries

Patients(n)

O B I n (%)

Methods

HBV endemic level

Moresco 2014 [3]

Brazil

291 donors

8 (2.7)

PCR RT (Applied Biosystems)

Average

Oluyinka [5]

Nigeria

429 donors

17%

PCR

High

Said ZN 2013 [10]

Egypt

3167 donors HBsAg (−)

17.2%

PCR RT (QIAGEN)

High

Siagris 2006 [12]

Greece

49

10 (20.4)

Single step PCR

Low

Kanbay 2006 [13]

Turkey

138

21 (15.2)

Real time PCR

Low

Fabrizi 2005 [14]

Italy

213

0

Single step PCR

Low

Filippini 2006 [15]

Italy

86 HIV

17 (20)

Single step PCR

Low

Rodriguez-2007 [16]

19 countries

(Apricot)

889 HCV + HIV +

0

PCR Roche

Kim 2007 [17]

Korea

195

31 (16)

Nested PCR

Low