Table 1. Characteristics of participants in the surveys included in the present review per region.
| Caribbean | Mesoamerica | Andean Region | Brazil | Southern Cone | All | |
|---|---|---|---|---|---|---|
| Individuals included [n (%)] | 714 (3.9) | 8740 (47.7) | 851 (4.6) | 6,167 (33.7) | 1,848 (10.1) | 18,320 (100) |
| Sample size [median (range)] | 95 (27–152) | 161 (24–1655) | 63 (20–326) | 74 (12–444) | 77 (16–284) | 85 (12–1655) |
| Type of publication [n (%)] | ||||||
| Published articles | 7 (100.0) | 12 (70.6) | 7 (87.5) | 42 (84.0) | 11 (68.8) | 79 (80.6) |
| Conference abstracts | 0 (0.0) | 5 (29.4) | 1 (12.5) | 8 (16.0) | 5 (31.3) | 19 (19.4) |
| Median sample year [n (%)] | ||||||
| 2000–2005 | 2 (28.6) | 7 (41.2) | 3 (37.5) | 21 (42.0) | 7 (43.8) | 40 (40.8) |
| 2006–2015 | 5 (71.4) | 10 (58.8) | 5 (62.5) | 29 (58.0) | 9 (56.2) | 58 (59.2) |
| Recency of Infection [n (%)] | ||||||
| RI | 0 (0.0) | 2 (11.8) | 0 (0.0) | 1 (2.0) | 3 (18.8) | 6 (6.1) |
| Chronically infected | 7 (100.0) | 12 (70.6) | 7 (87.5) | 42 (84.0) | 11 (68.8) | 79 (80.6) |
| Both | 0 (0.0) | 3 (17.6) | 1 (12.5) | 7 (14.0) | 2 (12.5) | 13 (13.3) |
| Type of population [n (%)] | ||||||
| Mixed | 7 (100.0) | 16 (94.1) | 6 (75.0) | 36 (72.0) | 13 (81.3) | 78 (79.6) |
| Pregnant women | 0 (0.0) | 0 (0.0) | 0 (0.0) | 6 (12.0) | 1 (6.3) | 7 (7.1) |
| Blood donors | 0 (0.0) | 0 (0.0) | 0 (0.0) | 3 (6.0) | 0 (0.0) | 3 (3.1) |
| Key and other vulnerable populations a | 0 (0.0) | 1 (5.9) | 2 (25.0) | 5 (10.0) | 2 (12.5) | 10 (10.2) |
| Total of publications [n (%)] | 7 (7.1) | 17 (17.3) | 8 (8.2) | 50 (51.0) | 16 (16.3) | 98 (100) |
a This includes men who have sex with men, female sex workers, people who inject drugs, inmates and individuals in the army.