Table 1.
Demographic and clinical characteristics of the school-based patients with TB in Guangzhou from 2015 to 2019.
| All registered patients (N = 3,005) No. (%) | Sputum culture-positive patients (N = 730) No. (%) | χ2* | P-value* | Patients with whole-genome sequences (N = 135) No. (%) | χ2# | P-value# | |
|---|---|---|---|---|---|---|---|
| Demographic characteristics | |||||||
| Gender | |||||||
| Male | 1,688 (56.17%) | 401 (54.93%) | 0.60 | 0.437 | 69 (51.11%) | 0.98 | 0.320 |
| female | 1,317 (43.83%) | 329 (45.07%) | 66 (48.89%) | ||||
| Age (years) | |||||||
| ≤ 12 | 105 (3.49%) | 33 (4.52%) | 41.99 | < 0.001 | 6 (4.44%) | 7.74 | 0.102 |
| 13–15 | 238 (7.92%) | 84 (11.52%) | 21 (15.56%) | ||||
| 16–18 | 900 (29.95%) | 236 (32.33%) | 52 (38.52%) | ||||
| 19–24 | 1,447 (48.15%) | 355 (45.89%) | 49 (36.30%) | ||||
| ≥25 | 315 (10.48%) | 42 (5.75%) | 7 (5.19%) | ||||
| Occupation | |||||||
| Teacher | 261 (8.69%) | 47 (6.44%) | 1.51 | 0.219 | 5 (3.70%) | 2.06 | 0.152 |
| Student | 2,744 (91.31%) | 583 (79.86%) | 130 (96.30%) | ||||
| School type | |||||||
| Child care facilities | 74 (2.46%) | 23 (3.15%) | 50.03 | < 0.001 | 0 (0%) | 6.12 | 0.106 |
| Primary | 103 (3.43%) | 39 (5.34%) | 7 (5.19%) | ||||
| Regular secondary | 837 (27.65%) | 257 (35.21%) | 54 (40.0%) | ||||
| Universities and colleges | 1,196 (36.47%) | 209 (28.63%) | 31 (22.96%) | ||||
| Technical and vocational secondary | 801 (29.98%) | 202 (27.67%) | 43 (31.85%) | ||||
| Clinical factors | |||||||
| Patient source | |||||||
| Health screening | 276 (10.68%) | 50 (6.85%) | 130.84 | < 0.001 | 7 (5.19%) | 6.70 | 0.082 |
| Doctor visits for illness | 1,587 (53.81%) | 526 (72.05%) | 109 (80.74%) | ||||
| Referral | 939 (28.99%) | 119 (16.30%) | 16 (11.85%) | ||||
| Follow-up | 196 (6.52%) | 35 (4.79%) | 3 (2.22%) | ||||
| Disease history | |||||||
| New patients | 2,963 (98.60%) | 718 (98.36%) | 0.42 | 0.515 | 133 (98.52%) | 0.03 | 0.869 |
| Recurrence | 42 (1.40%) | 12 (1.64%) | 2 (1.48%) | ||||
*
Statistical analysis (chi-square test) of the distributions between patients with positive and negative sputum cultures.
#
Statistical analysis (chi-square test) of the distributions between patients with and without sequencing strains.