Table 2.
Baseline characteristics of the study population (N = 1836).
| Variables | Training set (n = 1719) | Validation set (n = 117) | P value |
|---|---|---|---|
| Age (mean ± SD, years) | 48.90 ± 20.95 | 49.41 ± 21.84 | 0.799 |
| Gender | |||
| Male | 1,216 (70.74) | 88 (75.21) | 0.302 |
| Female | 503 (29.26) | 29 (24.79) | |
| Nationality | |||
| Han | 1,700 (98.89) | 114 (97.44) | 0.161 |
| National minority | 19 (1.11) | 3 (2.56) | |
| Occupational risk | |||
| High-risk | 362 (21.06) | 33 (28.21) | 0.069 |
| Non-high-risk | 1,357 (78.94) | 84 (71.79) | |
| Education levels | |||
| High school and below | 1,270 (73.88) | 87 (74.36) | 0.909 |
| Universities and higher | 449 (26.12) | 30 (25.64) | |
| Residences | |||
| Rural areas | 554 (32.23) | 36 (30.77) | 0.744 |
| Urban areas | 1,165 (67.77) | 81 (69.23) | |
| Registered household | |||
| Migrant individuals with CPTBT | 768 (44.68) | 50 (42.74) | 0.683 |
| Resident individuals with CPTBT | 951 (55.32) | 67 (57.26) | |
| Family income | |||
| Low level | 558 (32.46) | 48 (41.03) | 0.057 |
| Middle level and above | 1,161 (67.54) | 69 (58.97) | |
| Types of MDR-TB diagnosis | |||
| Traditional susceptibility test | 1,212 (70.51) | 81 (69.23) | 0.770 |
| Gene Xpert MTB/R | 507 (29.49) | 36 (30.77) | |
| Different individuals with CPTBT | |||
| CNDT | 1,411 (82.08) | 97 (82.91) | 0.822 |
| CRT | 308 (17.92) | 20 (17.09) | |
| Outcomes of previous TB treatment | |||
| Unsuccessful treatment | 257 (14.95) | 21 (17.95) | 0.381 |
| Successful treatment | 1,462 (85.05) | 96 (82.05) | |
Data are presented as No. (%), unless otherwise stated.
TB: tuberculosis; MDR-TB: multidrug-resistant tuberculosis; CPTBT: completing pulmonary TB treatment; CNDT: completing newly diagnosed pulmonary TB treatment; CRT: completing re-treated pulmonary TB treatment; SD: standard deviation; MTB: mycobacterium tuberculosis; R: rifampicin.