Table 1.
Distribution of population study according to birthplace and region of exposure
| Region of exposure* | Total | Birthplace | ||
|---|---|---|---|---|
| Europeans | Non-Europeans | Unknown | ||
| N | n (%) | n (%) | n (%) | |
| Africa | 3,874 | 2,312 (59.7) | 1,557 (40.2) | 5 (0.1) |
| Northern Africa | 138 | 129 (93.5) | 7 (5.1) | 2 (1.4) |
| Sub-Saharan Africa | 3,736 | 2,183 (58.4) | 1,550 (41.5) | 3 (0.1) |
| Eastern Africa | 691 | 641 (92.8) | 50 (7.2) | 0 (0) |
| Ethiopia | 121 | 105 (86.8) | 16 (13.2) | 0 (0) |
| Kenya | 119 | 106 (89.1) | 13 (10.9) | 0 (0) |
| Mozambique | 107 | 99 (92.5) | 8 (7.5) | 0 (0) |
| Tanzania | 159 | 154 (96.9) | 5 (3.1) | 0 (0) |
| Middle Africa | 2,055 | 811 (39.5) | 1,244 (60.5) | 0 (0) |
| Angola | 130 | 102 (78.5) | 28 (21.5) | 0 (0) |
| Cameroon | 188 | 140 (74.5) | 48 (25.5) | 0 (0) |
| Equatorial Guinea | 1,570 | 435 (27.7) | 1,135 (72.3) | 0 (0) |
| Southern Africa | 83 | 82 (98.8) | 1 (1.2) | 0 (0) |
| Western Africa | 899 | 646 (71.9) | 250 (27.8) | 3 (0.3) |
| Mali | 106 | 73 (68.9) | 33 (31.1) | 0 (0) |
| Nigeria | 136 | 52 (38.2) | 84 (61.8) | 0 (0) |
| Senegal | 279 | 234 (83.9) | 45 (16.1) | 0 (0) |
| Americas | 2,638 | 1,216 (46.1) | 1,327 (50.3) | 95 (3.6) |
| Latin America and the Caribbean | 2,633 | 1,211 (46) | 1,327 (50.4) | 95 (3.6) |
| Caribbean | 312 | 207 (66.3) | 82 (26.3) | 23 (7.4) |
| Dominican Republic | 138 | 75 (54.3) | 52 (37.7) | 11 (8) |
| Central America | 520 | 400 (76.9) | 82 (15.8) | 38 (7.3) |
| Mexico | 164 | 129 (78.7) | 20 (12.2) | 15 (9.1) |
| South America | 1,785 | 603 (33.8) | 1,150 (64.4) | 32 (1.8) |
| Bolivia | 686 | 89 (13) | 597 (87) | 0 (0) |
| Brazil | 185 | 138 (74.6) | 47 (25.4) | 0 (0) |
| Colombia | 187 | 58 (31) | 126 (67.4) | 3 (1.6) |
| Ecuador | 282 | 77 (27.3) | 203 (72) | 2 (0.7) |
| Peru | 247 | 147 (59.5) | 85 (34.4) | 15 (6.1) |
| Northern America | 5 | 5 (100) | 0 (0) | 0 (0) |
| Asia | 1,082 | 1,039 (96) | 40 (3.7) | 3 (0.3) |
| Eastern Asia | 52 | 51 (98.1) | 1 (1.9) | 0 (0) |
| Central Asia | 3 | 3 (100) | 0 (0) | 0 (0) |
| Southern Asia | 597 | 570 (95.5) | 26 (4.4) | 1 (0.1) |
| India | 529 | 508 (96) | 21 (3.8) | 0 (0) |
| Southeastern Asia | 421 | 406 (96.4) | 13 (3.1) | 2 (0.5) |
| Thailand | 127 | 124 (97.6) | 3 (2.4) | 0 (0) |
| Western Asia | 9 | 9 (100) | 0 (0) | 0 (0) |
| Oceania | 13 | 13 (100) | 0 (0) | 0 (0) |
| Unknown | 382 | 291 (76.2) | 30 (7.9) | 61 (16) |
| Multiple exposure | 306 | 284 (92.8) | 22 (7.2) | 0 (0) |
| Total | 8,295 | 5,155 (62.1) | 2,976 (35.9) | 164 (2) |
*
Only countries with more than 100 patients studied are shown.