Table 2

Weighted mean region-specific HBsAg prevalence in blood donors and hospital settings

Study group

%HBsAg prevalence (range)


Category

no.studies

N

n

Region*

Weighted mean all data

Weighted mean published data

P value

References


Blood donors

13

658662

16788

A

2.53 (1.10, 8.70)

2.33 (1.70, 2.75)

0.51

[34-40] (i-n)


16

223949

6389

B

2.68 (1.70, 4.22)

3.44 (2.60, 4.20)

0.14

[41-46] (o-x)


4

149918

6675

C

4.25 (1.70, 4.90)

4.45 (2.92, 4.90)

0.50

[47-49] (y)


Hospital†

5

37497

2977

A

3.40 (1.30, 13.80)

1.30 (0.90, 1.63)

0.40

[50] (z-cc)


6

100343

7781

B

7.15 (2.90, 13.60)

5.73 (2.90, 13.60)

1.00

[51,52] (dd-gg)


2

28392

6037

C

-

10.88 (9.60, 21.30)

-

[53,54]


Abbreviations: N number of subjects, n number of cases

P value calculated by the two-sided Mann-Whitney test (difference in prevalence of all data and only published data)

* Region A: Marmara and Aegean, B: Black Sea, Central Anatolia and Mediterranean, C: Eastern and South-eastern

† Studies based in hospital settings on non-liver-related conditions

Toy et al. BMC Infectious Diseases 2011 11:337   doi:10.1186/1471-2334-11-337

Open Data