Table 4. Clinical data for samples obtained from NTM-positive and NTM-negative persons, Zambia, August 2002–March 2003*.
| Characteristic | NTM-positive samples | NTM-negative samples | p value | All samples |
|---|---|---|---|---|
| Persons, no. (%) | 93 (16.5) | 472 (83.5) | – | 565 |
| HIV positive, no. (%) | 41 (45.6) | 174 (38.5) | 0.2 | 215 (39.7) |
| Mycobacterium tuberculosis, no. (%) | 13 (14.0) | 62 (13.1) | 0.8 | 75 (13.3) |
| BMI, mean (SD) | 20.2 (4.2) | 20.8 (3.7) | 0.2 | 20.7 (3.8) |
| Underweight, no. (%) | 26 (29.6) | 92 (20.6) | 0.06 | 118 (22.1) |
| Vomited, no. (%) | 8 (8.6) | 18 (3.8) | 0.04 | 26 (4.6) |
| Diarrhea, no. (%) | 12 (12.9) | 11 (2.3) | <0.001 | 23 (4.7) |
| Lymph nodes analyzed, no. (%) | 21 (22.8) | 146 (30.9) | 0.1 | 167 (29.6) |
| Chest radiograph compatible with TB but culture negative for M. tuberculosis, no. (%) | 5 (26.3) | 28 (7.1) | 0.003 | 33 (8.0) |
| Died, no. (%) | 9 (9.7) | 26 (5.5) | 0.1 | 35 (6.2) |
*NTM, nontuberculous mycobacteria; BMI, body mass index; TB, tuberculosis.