Table 1.
Average detection rates of HBV markers in healthy volunteers.
| Study Region | Reactive for HBsAg, % (95% CI) |
Reactive for Anti-HBc, % (95% CI) |
Reactive for Anti-HBs, but Non-Reactive for Anti-HBc, % (95% CI) |
Non-Reactive for Either Anti-HBs or Anti-HBc, % (95% CI) |
|---|---|---|---|---|
| Kaliningrad Region | 0.4% (0.1–1.0%) |
17.1% (15.0–19.5%) * |
27.0% (24.4–29.7%) * |
57.5% (54.5–60.5%) * |
| St. Petersburg and Leningrad Region | 0.4% (0.2–0.6%) | 10.2% (9.4–11.1%) |
40.4% (39.1–41.7%) |
49.4% (48.1–50.7%) * |
| Republic of Dagestan | 2.4% (2.0–2.9%) * |
23.1% (21.9–24.3%) * |
29.8% (28.5–31.1%) * |
47.1% (45.7–48.5%) |
| Moscow and Moscow Region | 0.4% (0.3–0.5%) |
11.3% (10.6–12.0%) |
37.5% (36.5–38.5%) |
51.1% (50.0–52.2%) * |
| Republic of Tatarstan | 0.2% (0.1–0.9%) |
11.5% (9.5–13.9%) |
37.1% (33.8–40.4%) |
51.0% (47.6–54.4%) * |
| Sverdlovsk Region | 0.6% (0.3–1.4%) |
16.5% (14.2–19.0%) |
27.7% (24.9–30.7%) * |
55.9% (52.7–59.1%) * |
| Tuva Republic | 1.2% (0.7–2.1%) |
31.7% (29.1–34.5%) * |
22.0% (19.6–24.5%) * |
46.0% (43.1–49.0%) |
| Novosibirsk Region | 0.8% (0.6–1.0%) |
11.8% (11.1–12.5%) |
46.7% (45.6–47.8%) |
41.5% (40.4–42.6%) |
| Khabarovsk Region | 0.7% (0.5–0.9%) |
14.1% (13.2–15.0%) |
47.3% (45.9–48.7%) |
38.7% (37.4–40.0%) |
| National average | 0.8% (0.7–0.9%) |
14.2% (13.8–14.5%) |
39.4% (38.9–39.9%) |
46.5% (46.0–47.0%) |
* p < 0.05 (Chi-square with Yates’ correction) when compared with the national average value.