Table 2 HIV‐1 seroprevalences by country and age groups (in years) among FCSW participants from nine countries in South America, 1999–2002.
| Region | Aged 18–25 | Aged ⩾26 | Age | ||||
|---|---|---|---|---|---|---|---|
| % | (n/No)* | % | (n/No)* | p value | Mean | (SE) | |
| Andean | |||||||
| Colombia | 0.5 | (1/186) | 0.9 | (3/318) | 0.998 | 30.8 | (0.4) |
| Ecuador | 1.9 | (11/590) | 1.7 | (11/650) | 0.833 | 28.0 | (0.2) |
| Peru | 0.8 | (34/4114) | 1.1 | (45/3946) | 0.175 | 27.3 | (0.01) |
| Bolivia | 1.0 | (1/103) | 0.0 | (0/169) | 0.379 | 29.9 | (0.5) |
| Southern Cone | |||||||
| Argentina | 4.5 | (6/134) | 2.8 | (13/464) | 0.399 | 34.1 | (0.4) |
| Uruguay | 0.5 | (1/209) | 1.0 | (4/406) | 0.666 | 30.7 | (0.4) |
| Paraguay | 5.4 | (13/241) | 3.6 | (6/167) | 0.479 | 25.7 | (0.3) |
| Chile | 0.0 | (0/176) | 0.0 | (0/450) | NA | 32.1 | (0.4) |
HIV‐1, human immunodeficiency virus type 1; FCSW, female commercial sex workers; SE, standard error.
*Number of HIV‐1 positive (n)/total number participants tested (No). Denominator totals varied slightly owing to missing data.