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