Table 2.
Epidemiological comparison of HIV-1 epidemics between South and South-East Brazil.
| Brazil | South | South-East | OR* | CI | p value | ||
|---|---|---|---|---|---|---|---|
| Sex | |||||||
| Male | 1314 (50.33%) | 223 (43.98%) | 653 (50.04%) | 0.78 | 0.63–0.95 | 0.016 | |
| Female | 1286 (49.25%) | 283 (55.82%) | 643 (49.27%) | 1.29 | 1.05–1.58 | ||
| Missing | 11 (0.42%) | 1 (0.20%) | 9 (0.69%) | 0.28 | 0.01–2.06 | 0.359 | |
| Age | |||||||
| < 18 yrs | 702 (26.89%) | 165 (32.54%) | 276 (21.15%) | 1.80 | 1.43–2.26 | 0.000 | |
| ≥ 18 yrs | 1903 (72.88%) | 341 (67.26%) | 1027 (78.70%) | 0.55 | 0.44–0.70 | ||
| Missing | 6 (0.23%) | 1 (0.20%) | 2 (0.15%) | 1.29 | 0.02–23.78 | 1.000 | |
| Transmission route | |||||||
| MSM | 50 (1.91%) | 4 (0.79%) | 32 (2.45%) | 0.27 | 0.07–0.82 | 0.022 | |
| Mother-to-child | 82 (3.14%) | 24 (4.73%) | 25 (1.92%) | 3.49 | 1.76–6.96 | 0.000 | |
| Heterosexual | 165 (6.32%) | 27 (5.33%) | 82 (6.28%) | 0.70 | 0.38–1.30 | 0.260 | |
| Other | 12 (0.46%) | 2 (0.39%) | 7 (0.54%) | 0.72 | 0.07–3.96 | 0.984 | |
| Missing | 2302 (88.17%) | 450 (88.76%) | 1159 (88.81%) | 0.99 | 0.72–1.38 | 0.974 | |
| Subtype | |||||||
| B** | Male | 887 (53.27%) | 49 (59,04%) | 189 (53.54%) | 1.25 | 0.77–2.04 | 0.366 |
| Female | 778 (46.73%) | 34 (40.96%) | 164 (46.46%) | 0.80 | 0.49–1.30 | ||
| C*** | Male | 135 (39.82%) | 69 (43.67%) | 9 (50.00%) | 0.78 | 0.28–2.12 | 0.609 |
| Female | 204 (60.18%) | 89 (56.33%) | 9 (50.00%) | 1.29 | 0.47–3.152 | ||
| Other | Male | 292 (48.99%) | 33 (54.10%) | 52 (49.52%) | 1.20 | 0.65–2.27 | 0.571 |
| Female | 304 (51.01%) | 28 (45.90%) | 53 (50.48%) | 0.83 | 0.44–1.57 | ||
| Missing | 898 (34.39%) | 254 (50.01%) | 1018 (78.01%) | 0.28 | 0.23–0.35 | 0.000 | |
| Total | 2611 | 507 | 1305 | ||||
*The OR, CI and p value are presented for the South versus South-East comparison using two-tailed Fisher Exact Test or Corrected Mantel–Haenszel chi-square test were applicable.
**For the difference in the prevalence of subtype B between men and women in Brazil, the following statistical result was found: OR = 1.36, CI = 1.15–1.59, p = 0.000.
***For the difference in the prevalence of subtype C between women and men in Brazil, the following statistical result was found: OR = 1.64, CI = 1.30–2.08, p = 0.000.