Table 1 Demographic characteristics of participants
From: A cross-sectional study: a breathomics based pulmonary tuberculosis detection method
| Â | Discovery data set | Test data set | ||||
|---|---|---|---|---|---|---|
|  | PTB (N = 361) | Control (N = 614) | p-value | PTB (N = 157) | Control (N = 273) | p-value |
Age | Â | Â | Â | Â | Â | Â |
 Median (min.–max.) | 36 (18–70) | 28 (18–69) |  < 0.001 | 32 (18–70) | 28 (18–70) |  < 0.001 |
  < 30 (%) | 115 (31.9) | 345 (56.2) | 0.008 | 64 (40.8) | 169 (61.9) | 0.258 |
  ≥ 30 (%) | 246 (68.1) | 269 (43.8) |  < 0.001 | 93 (59.2) | 104 (38.1) | 0.009 |
Sex | Â | Â | Â | Â | Â | Â |
 Male (%) | 223 (61.8) | 325 (52.9) | 0.009 | 101 (64.3) | 142 (52.0) | 0.004 |
 Female (%) | 138 (38.2) | 289 (47.1) | – | 56 (35.7) | 131 (48.0) | – |