Table 1 |
||||
| Demographic characteristics of TB patients and healthy controls | ||||
| Patients group | Healthy controls group | |||
| Low-Density Array study | Validation study | Low-Density Array study | Validation study | |
| Number of participants | 20 | 30 | 20 | 65 |
| Gender (male/female) | 10/10 | 18/12 | 10/10 | 35/30 |
| Age (years, mean) | 39.2 ± 16.8 | 44.0 ± 14.2 | 39.5 ± 16.6 | 45.3 ± 20.9 |
| Smoking (Yes/no) | 4/20 | 5/30 | 4/20 | 10/65 |
| Primary pulmonary lesion by radiography | 10 | 28 | 0 | 0 |
| Sputum smear (positive) | 20 | 30 | 0 | 0 |
| Culture-positive TB | 20 | 30 | NA | NA |
| BCG vaccination (yes/no) | 11/5 | 18/6 | 20/0 | 65/0 |
| IGRA-positive TB | 20 | 30 | 0/20 | 0/65 |
| HIV | - | - | - | - |
TB, tuberculosis; BCG, Bacillus Calmette-Guérin vaccine; IGRA, IFN-γ release assay. NA, not applicable; HIV, Human immunodeficiency virus.
Qi et al. BMC Infectious Diseases 2012 12:384 doi:10.1186/1471-2334-12-384
