Table 3. Association of Screened Symptoms and Bacteriologically Positive TB, by Age Status, China, 2010 (n = 315).
| Screened symptoms | Participants aged under 65 | Participants aged 65 and above | ||
|---|---|---|---|---|
| unadjusted ORs (95%CI) | Adjusted ORs (95%CI) | unadjusted ORs (95%CI) | Adjusted ORs (95%CI) | |
| Cough or haemoptysis of any duration | ||||
| No | 1 | 1 | 1 | 1 |
| Yes | 22.6(16.9–30.2) | 13.3(9.8–18.1) | 8.3(5.9–11.8) | 6.9(4.8–9.8) |
| Cough (with or without haemoptysis) | ||||
| No | 1 | 1 | 1 | 1 |
| <2 weeks | 5.5(3.3–9.2) | 3.3(2.0–5.5) | 1.7(0.8–3.5)* | 1.4(0.7–2.9) * |
| 2–3 weeks | 51.6(31.0–85.9) | 29.3(17.4–49.6) | 11.8(6.2–22.5) | 9.3(4.8–17.8) |
| ≥3 weeks | 101.5(72.8–141.5) | 53.2(37.1–76.3) | 25.2(17.2–36.9) | 18.4(12.3–27.6) |
| Haemoptysis (with or without cough) | ||||
| No | 1 | 1 | 1 | 1 |
| Yes | 77.5(37.7–159.6) | 3.2(1.5–6.7) | 28.5(12.2–66.5) | 3.1(1.3–7.6) |
| Suspected symptom defined by China NTP | ||||
| No | 1 | 1 | 1 | 1 |
| Yes | 71.4(53.2–95.9) | 41.3(30.2–56.4) | 19.4(13.7–27.5) | 15.6(11.0–22.3) |
CI = Confidence interval
* P value > 0.05