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Volume 17, Number 3—March 2011
Dispatch

Tuberculosis among Foreign-born Persons, Singapore, 2000–2009

Khin Mar Kyi WinComments to Author , Cynthia B.E. Chee, Liang Shen, Yee T. Wang, and Jeffery Cutter
Author affiliations: Author affiliations: Tan Tock Seng Hospital, Singapore (K.M. Kyi Win, C.B.E. Chee, Y.T. Wang); National University of Singapore, Singapore (L. Shen); Ministry of Health, Singapore (J. Cutter)

Main Article

Table

Characteristics of native-born and foreign-born persons with TB, Singapore, 2000–2009*

Characteristic No. (%) native-born, n = 13,048 No. (%) foreign-born, n = 5,952
Sex
F 3,546 (27.2) 2,731 (45.9)
M
9,502 (72.8)
3,221 (54.1)
Age, y
Median 53.2 33.8
0–19 516 (4.0) 149 (2.5)
20–39 2,592 (19.9) 3,503 (58.9)
40–59 5,137 (39.4) 812 (13.6)
>60
4,803 (36.8)
1,488 (25.0)
Diabetes
No 10,282 (78.8) 5,409 (90.9)
Yes
2,766 (21.2)
543 (9.1)
New case 11,550 (88.5) 5,588 (93.9)
Re-treated case
1,498 (11.5)
364 (6.1)
Site of disease
Pulmonary† 11,447 (87.7) 4,832 (81.2)
Extrapulmonary
1,601 (12.3)
1,120 (18.8)
Site of extrapulmonary TB‡
Lymph node 571 (35.7) 582 (52.0)
Pleura 415 (25.9) 258 (23.0)
Other
698 (43.6)
328 (29.3)
Sputum smear for AFB
Negative 5,744 (44.0) 2,790 (46.9)
Positive 4,784 (36.7) 1,532 (25.7)
Not determined
2,520 (19.3)
1,630 (27.4)
Sputum culture for MTC
Negative 3,075 (23.6) 1,819 (30.6)
Positive 8,316 (63.7) 2,855 (48.0)
Not determined
1,657 (12.7)
1,278 (21.5)
Drug resistance
MDR§ 28 (0.3) 39 (1.4)
Isoniazid¶ 256 (3.1) 226 (7.9)

*TB, tuberculosis; AFB, acid-fast bacilli; MTC, Mycobacterium tuberculosis complex; MDR, multidrug resistant.
†Includes pulmonary TB cases with extrapulmonary involvement.
‡Pure extrapulmonary and not mutually exclusive.
§Resistant to at least isoniazid and rifampin.
¶Includes MDR; resistant to isoniazid alone or isoniazid in combination with any other first-line drugs.

Main Article

Page created: July 25, 2011
Page updated: July 25, 2011
Page reviewed: July 25, 2011
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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