Table 1. Demographic distribution of TB-negative controls and TB patients.
| Parameters | Cases | Controls | P-value |
|---|---|---|---|
| Han population | n=636 | n=608 | |
| Age, (years)* | 36.8 ± 15.7 | 37.1 ± 15.7 | 0.677 |
| Male, n (%) | 324 (50.9%) | 302 (49.7%) | 0.654 |
| Location of TB, n (PTB/EPTB) | 276/360 | ||
| Acid-fast bacilli stain positive, n (positive/negative) | 138/360 | ||
| Culture positive n (positive/negative) | 32/126 | ||
| TB-DNA positive n (positive/negative) | 122/133 | ||
| Tibetan population | n=613 | n=603 | |
| Age, (years)* | 34.5 ± 14.5 | 34.6 ± 13.8 | 0.909 |
| Male, n (%) | 327 (53.3%) | 333 (55.2%) | 0.511 |
Abbreviations: EPTB, extra-pulmonary TB PTB, pulmonary TB; SD, standard deviation.
*
Data are presented as mean ± SD.