Table 1.
Subject Characteristics According to Sputum Smear Status
| Total | Sputum Smear Grade | ||||
|---|---|---|---|---|---|
| Population | 1+ | 2+ | 3+ | 4+ | |
| [N=98] | [n=13] | [n=24] | [n=22] | [n=39] | |
| 41.5 | 51.5 | 43.4 | 41.5 | ||
| Age* (years) | 44.3 (20.1) | (17.4) | (18.9) | (18.8) | (21.9) |
| Male sex | 74 (76) | 12 (92) | 14 (58) | 18 (82) | 29 (74) |
| Cavitation** | 44 (45) | 3 (23) | 4 (17) | 12 (55) | 24 (62) |
| Bilateral Lung | |||||
| Involvement** | 42 (43) | 5 (38) | 13 (54) | 6 (27) | 17 (44) |
| Concurrent EPTB† | 8 (8) | 0 | 5 (21) | 0 | 3 (8) |
| Drug Resistance | |||||
| Any | 8 (8) | 0 | 2 (8) | 2 (9) | 4 (10) |
| Isoniazid | 2 (2) | 0 | 0 | 1 (5) | 1 (3) |
| Rifampin | 2 (2) | 0 | 0 | 1 (5) | 1 (3) |
| Streptomycin | 7 (7) | 0 | 2 (8) | 2 (9) | 3 (8) |
| Pyrazinamide | 1 (1) | 0 | 1 (4) | 0 | 0 |
| Ethambutol | 2 (2) | 0 | 0 | 1 (5) | 1 (3) |
| Tobacco use | 38 (39) | 7 (54) | 7 (29) | 13 (59) | 11 (28) |
| Diabetes Mellitus | 7 (7) | 0 | 1 (4) | 2 (9) | 4 (10) |
| HIV‡ Status: | |||||
| Positive | 4 (4) | 0 | 3 (13) | 1 (5) | 0 |
| Refused/Not Done | 17 (17) | 1 (8) | 6 (25) | 2 (9) | 8 (21) |
| Intravenous Drug Use | 5 (5) | 1 (8) | 1 (4) | 1 (5) | 2 (5) |
| Alcohol abuse | 43 (44) | 7 (54) | 6 (25) | 12 (56) | 18 (46) |
| Treatment non-adherent | 15 (15) | 4 (31) | 3 (13) | 4 (18) | 4 (10) |
| Race/ethnicity | |||||
| Asian | 33 (34) | 6 (46) | 11 (46) | 3 (14) | 13 (33) |
| Black | 29 (30) | 2 (15) | 7 (29) | 10 (45) | 10 (26) |
| Latino | 12 (12) | 2 (15) | 1 (4) | 3 (14) | 6 (15) |
| Native American | 10 (10) | 3 (23) | 1 (4) | 4 (18) | 2 (5) |
| White | 14 (14) | 0 | 4 (17) | 2 (9) | 8 (21) |
| Foreign born | 64 (65) | 6 (46) | 18 (75) | 13 (59) | 27 (69) |
*
Mean (SD), else N (%);
**
According to chest x-ray;
†
Extra-pulmonary TB;
‡
Human immunodeficiency virus