Table 1. Demographic characteristics of study participants in Chinese Han population.
| Characteristics | TBa (n = 832) | HCb (n = 1084) | P |
|---|---|---|---|
| Age, mean ± SD (years) | 41.10 ± 19.04 | 40.54 ± 10.69 | 0.574 |
| Male/female | 496/336 | 629/455 | 0.484 |
| BMI (kg/m2) | 20.99 ± 2.55 | 23.03 ± 2.06 | <0.001 |
| BCG scar n (%) | 0.089 | ||
| Yes | 376 (45.19) | 453 (41.79) | |
| No | 361 (43.39) | 524 (48.34) | |
| Uncertain | 95 (11.42) | 107 (9.87) | |
| Smoking n (%) | 0.023 | ||
| Smoking | 262 (31.49) | 283 (26.10) | |
| Ever Smoking | 135 (16.23) | 207 (19.09) | |
| Nonsmoking | 435 (52.28) | 594 (54.81) | |
| TB subtype n (%) | |||
| PTBc | 367 (44.11) | ||
| EPTBd | 120 (14.42) | ||
| PTB & EPTB | 345 (41.47) | ||
aTuberculosis patients.
bHealthy controls.
cPulmonary tuberculosis (PTB).
dExtra pulmonary tuberculosis (EPTB).