TABLE 3.
Characteristics of clustered patients with drug-resistant tuberculosis
| Patienta | Ethnicity | Country of birth | Countyb | Sensitivity to indicated drugc
|
IS6110 copy no. | |||
|---|---|---|---|---|---|---|---|---|
| INH | RIF | SM | EMB | |||||
| 1A | African American | U.S. | Harris | R | S | S | S | 12 |
| 1B | Hispanic | Mexico | Border | R | S | S | S | 12 |
| 2A | African American | U.S. | Harris | R | S | S | S | 20 |
| 2B | African American | U.S. | Harris | R | S | S | S | 20 |
| 3A | Asian | Phillipines | Tarrant | R | S | S | S | 12 |
| 3B | White | U.S. | Tarrant | R | S | S | S | 12 |
| 4A | Hispanic | Unknown | Border | R | R | R | R | 11 |
| 4B | Hispanic | Mexico | Border | R | R | R | R | 10 |
| 5A | Hispanic | Mexico | Dallas | S | R | S | S | 2 |
| 5B | White | U.S. | Dallas | S | R | S | S | 2 |
| 6A | Hispanic | Mexico | Dallas | R | R | R | R | 4 |
| 6B | Hispanic | Unknown | Border | R | R | R | R | 4 |
| 7A | Hispanic | U.S. | Northeast | R | S | S | S | 11 |
| 7B | Hispanic | Mexico | Border | R | R | S | S | 11 |
| 8A | African American | U.S. | Northeast | R | S | S | S | 8 |
| 8B | African American | U.S. | Northeast | R | S | R | S | 8 |
| 9A | Hispanic | Mexico | Border | R | R | S | S | 11 |
| 9B | White | U.S. | Dallas | S | R | S | S | 10 |
| 10A | Hispanic | Mexico | Border | R | R | R | S | 9 |
| 10B | White | U.S. | Dallas | R | S | R | S | 9 |
| 11A | African American | U.S. | Other | R | R | S | S | 10 |
| 11B | African American | U.S. | Northeast | R | S | S | S | 10 |
| 12A | Hispanic | U.S. | Border | R | S | R | S | 13 |
| 12B | Hispanic | Unknown | Border | R | R | R | S | 13 |
| 13A | Hispanic | Unknown | Border | R | S | R | S | 10 |
| 13B | Hispanic | U.S. | Harris | R | R | R | S | 10 |
| 14A | White | U.S. | Harris | R | S | S | S | 12 |
| 14B | African American | U.S. | Harris | S | R | S | S | 12 |
| 15A | Hispanic | U.S. | Border | R | R | R | S | 13 |
| 15B | White | U.S. | Harris | S | R | R | R | 13 |
| 16A | Hispanic | Mexico | Other | R | S | R | S | 8 |
| 16B | Hispanic | Unknown | Border | R | R | R | R | 8 |
| 17A | African American | U.S. | Northeast | S | R | S | S | 6 |
| 17B | White | U.S. | Tarrant | R | S | S | S | 6 |
| 18A | African American | U.S. | Dallas | R | S | S | S | 3 |
| 18B | African American | U.S. | Harris | S | R | S | S | 3 |
| 19A | Hispanic | Mexico | Border | R | R | R | R | 4 |
| 19B | Hispanic | Unknown | Border | R | R | S | S | 4 |
| 20A | Asian | Vietnam | Dallas | R | S | R | S | 1 |
| 20B | Asian | Vietnam | Dallas | R | R | R | R | 1 |
| 20C | Asian | Vietnam | Tarrant | S | S | R | S | 1 |
a
Clusters are numbered 1 through 20; patients are identified as A, B, and C. Drug resistance patterns are identical in clusters 1 through 6 and differ by one drug in clusters 7 through 13 and by two or more drugs in clusters 14 through 20.
b
Border counties are those along the U.S.-Mexico border (El Paso, Hidalgo, Starr, and Webb counties); northeast counties are Anderson, Rusk, and Smith counties; other counties are Midland and Walker counties.
c
INH, isoniazid; RIF, rifampin; SM, streptomycin; EMB, ethambutol; R, resistant; S, sensitive.