TABLE 1.
Characteristics of the subjects in a study of EIA for diagnosis of pulmonary MAC diseasea
| Characteristic | Group
|
||||
|---|---|---|---|---|---|
| MAC diseaseb | MAC colonizationc | M. kansasii disease | Tuberculosis | Healthy subjects | |
| No. | 106 | 11 | 30 | 77 | 126 |
| Mean age (yr) ± SD | 65.4 ± 10.4 | 60.5 ± 15.8 | 52.1 ± 12.7d | 50.9 ± 18.6d | 47.8 ± 14.3d |
| Age range (yr) | 37-86 | 27-80 | 29-80 | 14-83 | 26-88 |
| No. male/no. female | 40/66 | 3/8 | 28/2d | 66/11d | 70/56d |
| Mean duration of disease (yr) ± SD | 3.8 ± 4.3 | 0 | 0.5 ± 0.8d | 0.5 ± 1.1d | 0 |
a
All subjects were either seronegative for HIV or had no clinical symptoms consistent with AIDS.
b
MAC disease included M. avium (n = 49), M. intracellulare (n = 22), and unclassified strains of MAC (n = 35).
c
MAC colonization included M. avium (n = 4), M. intracellulare (n = 3), and unclassified strains of MAC (n = 4).
d
Statistically significant difference compared to patients with MAC disease (P < 0.05).