Volume 11, Number 5—May 2005
Dispatch
Incident Tuberculosis among Recent US Immigrants and Exogenous Reinfection
Ted Cohen*†
and Megan Murray*†‡
and Megan Murray*†‡
Table 2
Estimated tuberculosis incidence (cases/100,000) and 95% confidence intervals by time since arrival in United States
| Country of origin (age of patient in y) | Time since arrival (y) |
||||
|---|---|---|---|---|---|
| ≤1 | 2–4 | 5–10 | p value* | p value† | |
| China | |||||
| 5–14 | 38 (18–71) | 11 (3–25) | 0 (0–7) | <0.001 | 0.008 |
| 15–24 | 119 (81–169) | 61 (39–91) | 16 (8–29) | <0.001 | 0.002 |
| 25–44 | 94 (76–115) | 55 (43–70) | 26 (20–32) | <0.001 | 0.002 |
| 45–64 | 129 (99–165) | 25 (16–39) | 18 (13–24) | <0.001 | <0.001 |
| ≥65 | 200 (140–276) | 61 (36–95) | 94 (76–116) | <0.001 | 0.807 |
| Haiti | |||||
| 5–14 | 87 (49–144) | 15 (3–43) | 10 (1–-35) | <0.001 | 0.062 |
| 15–24 | 190 (142–247) | 32 (16–57) | 39 (23–62) | <0.001 | 0.004 |
| 25–44 | 251 (206–304) | 114 (87–147) | 62 (50–76) | <0.001 | <0.001 |
| 45–64 | 193 (129–277) | 93 (55–147) | 31 (21–44) | <0.001 | 0.002 |
| ≥65 | 204 (123–319) | 48 (13–122) | 30 (12–63) | <0.001 | 0.002 |
| India | |||||
| 5–14 | 44 (21–80) | 0 (0–9) | 6 (1–18) | 0.001 | 0.085 |
| 15–24 | 485 (415–564) | 93 (68–124) | 31 (19–46) | <0.001 | <0.001 |
| 25–44 | 255 (228–285) | 192 (169–217) | 55 (47–64) | <0.001 | <0.001 |
| 45–64 | 118 (90–152) | 44 (31–61) | 20 (14–27) | <0.001 | <0.001 |
| ≥65 | 384 (285–506) | 42 (21–76) | 60 (43–83) | <0.001 | <0.001 |
| South Korea | |||||
| 5–14 | 28 (6–83) | 5 (0–26) | 0 (0–6) | 0.004 | 0.163 |
| 15–24 | 93 (48–163) | 30 (11–66) | 15 (6–30) | <0.001 | 0.050 |
| 25–44 | 157 (120–202) | 76 (54–104) | 42 (32–55) | <0.001 | 0.008 |
| 45–64 | 119 (71–185) | 51 (28–86) | 19 (12–30) | <0.001 | 0.016 |
| ≥65 | 164 (60–357) | 132 (61–251) | 48 (27–78) | 0.021 | 0.395 |
| Philippines | |||||
| 5–14 | 83 (53–125) | 9 (2–22) | 2 (0–9) | <0.001 | <0.001 |
| 15–24 | 229 (185–280) | 59 (42–80) | 31 (23–41) | <0.001 | <0.001 |
| 25–44 | 195 (168–226) | 78 (65–94) | 45 (39–52) | <0.001 | <0.001 |
| 45–64 | 536 (473–604) | 82 (65–102) | 48 (40–56) | <0.001 | <0.001 |
| ≥65 | 959 (813–1123) | 98 (68–137) | 128 (107–152) | <0.001 | <0.001 |
| Vietnam | |||||
| 5–14 | 39 (16–81) | 8 (2–23) | 4 (1–13) | 0.001 | 0.120 |
| 15–24 | 123 (85–173) | 53 (36–75) | 40 (31–50) | <0.001 | 0.158 |
| 25–44 | 261 (222–305) | 98 (80–120) | 73 (65–82) | <0.001 | <0.001 |
| 45–64 | 279 (219–350) | 85 (65–109) | 85 (73–98) | <0.001 | 0.009 |
| ≥65 | 592 (417–815) | 119 (76–177) | 140 (115–168) | <0.001 | 0.009 |
*p value comparing the equivalence of incidence rates in ≤1 year to years 5–10.
†p value comparing incidence rates after ≤1 year to years 5–10, based on assumption that incidence rate in years ≤1 year was overestimated by a factor of 2.
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