Table 1. Tuberculosis (TB) cases in foreign-born persons by number of years in the United States, by geographic region.
| Time from arrival in the United States to TB diagnosis | Asia (%) | Caribbean (%) | Africa (%) | Europe (%) | South America (%) | Central America (%) | Former Soviet Union (%) | Othera(%) | Total (%) |
|---|---|---|---|---|---|---|---|---|---|
| <1 year | 64 (22) | 24 (21) | 47 (41) | 10 (29) | 16 (34) | 9 (22) | 6 (27) | 0 | 176 (26) |
| 1–5 years | 62 (21) | 25 (21) | 51 (44) | 2 (6) | 17 (36) | 15 (37) | 5 (23) | 0 | 177 (26) |
| 6–10 years | 66 (22) | 18 (15) | 14 (12) | 2 (6) | 7 (15) | 10 (24) | 5 (23) | 1 (12) | 123 (18) |
| > 10 years | 103(35) | 51 (43) | 4 (3) | 23 (62) | 7 (15) | 7 (17) | 6 (27) | 7 (88) | 208 (30) |
| Total (n=683) | 295 (43) | 118 (17) | 116 (17) | 37 (5) | 47 (7) | 41 (6) | 22 (3) | 8 (1) | 684 (100) |
aOther, 7 patients from Canada and 1 patient from Australia.