Research Article
Hepatitis B Virus Immunity Gap: A Six-Year Laboratory Data Review of Hepatitis B Serological Profiles in Gauteng Province, South Africa
Table 4
The distribution of positive anti-HBc IgM per year across all age groups and sex in Gauteng Province, 2014–2019.
| Variable | Total number | Anti-HBc IgM | N | n | % (95% CI) | value |
| Age group | <5 | 3,154 | 23 | 0.7 (2.1–4.3) | = 0.002 | 5–12 | 2,788 | 23 | 0.8 (2.1–4.2) | 13–24 | 25,200 | 865 | 3.4 (26.2–27.2) | ≥25 | 208,095 | 4,750 | 2.3 (42.3–55.6) |
| Sex | Female | 137,061 | 2,719 | 2.0 (66.1–81.3) | = 0.364 | Males | 102,176 | 2,942 | 3.0 (69.1–87.5) |
| Year | 2014 | 16,491 | 718 | 4.4 (18.0–19.7) | = 0.05 | 2015 | 39,227 | 1,036 | 2.6 (13.8-14.9) | 2016 | 52,195 | 1,293 | 2.5 (10.7–11.7) | 2017 | 56,804 | 1,082 | 2.0 (11.2–12.8) | 2018 | 42,316 | 880 | 2.1 (10.7–12.3) | 2019 | 32,204 | 652 | 2.0 (11.6–13.2) | Total | 239,237 | 5,661 | 2.4 | |
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