Table 2.
Characteristics of tuberculosis cases identified by active and passive case finding strategies in Yunnan, 2013–2015
| Characteristic | ACF* | PCF* | χ 2 | P value | ||
|---|---|---|---|---|---|---|
| Number of cases (n) | Proportion (%) | Number of cases (n) | Proportion (%) | |||
| All | 66 | 456 | ||||
| Sex | ||||||
| male | 38 | 57.6 | 305 | 66.9 | 2.2 | 0.14 |
| female | 28 | 42.4 | 151 | 33.1 | ||
| Age (years) | ||||||
| < 15 | 1 | 1.5 | 6 | 1.3 | < 0.01ǁ | |
| 15–34 | 6 | 9.1 | 110 | 24.1 | ||
| 35–64 | 17 | 25.8 | 246 | 54.0 | ||
| ≥ 65 | 42 | 63.6 | 94 | 20.6 | ||
| Occupation | ||||||
| children/students/teachers | 5 | 7.6 | 19 | 4.2 | < 0.01ǁ | |
| farmer/worker | 6 | 9.1 | 402 | 88.2 | ||
| medical staff | 0 | 0.0 | 2 | 0.4 | ||
| government employees | 0 | 0.0 | 5 | 1.1 | ||
| retired | 33 | 50.0 | 21 | 4.6 | ||
| unemployed | 20 | 30.3 | 0 | 0.0 | ||
| others | 2 | 3.0 | 7 | 1.5 | ||
| Ethnicity | ||||||
| Han | 58 | 87.9 | 434 | 95.2 | 4.4 | 0.04ǂ |
| Other Minority | 8 | 12.1 | 22 | 4.8 | ||
| Sputum smear | ||||||
| negative | 54 | 81.8 | 326 | 71.5 | 3.1 | 0.08 |
| positive | 12 | 18.2 | 130 | 28.5 | ||
| Category of treatment | ||||||
| new case | 56 | 84.9 | 442 | 96.9 | 16.5 | < 0.01ǂ |
| retreatment | 10 | 15.1 | 14 | 3.1 | ||
*ACF = active case finding, PCF = passive case finding
ǁ Fisher’s exact test
ǂ Continuity correction