Table 2 Prevalence of chronic airflow obstruction in the study population according to spirometric criteria of ATS/ERS using FEV1/FVC < 5th percentile predicted (LLN) method or the Global Initiative for Chronic Obstructive Lung Disease (GOLD) criteria
From: Chronic airflow obstruction in Tanzania – a cross-sectional study
Risk factor | Group | n | Meet criteria | % | CI95 |
|---|---|---|---|---|---|
CAO (LLN) | All | 598 | 24 | 4.0 | 2.7–5.9 |
Age groups | |||||
18–39 | 169 | 6 | 3.6 | 1.6–7.5 | |
40–59 | 299 | 11 | 3.7 | 2.0–6.5 | |
60–79 | 124 | 7 | 5.6 | 2.8–11.2 | |
> = 80 | 6 | 0 | 0 | ||
CAO (GOLD) | All | 598 | 30 | 5.0 | 3.5–7.1 |
Age groups | |||||
18–39 | 169 | 3 | 1.8 | 0.6–5 | |
40–59 | 299 | 13 | 4.3 | 2.5–7.3 | |
60–79 | 124 | 14 | 11.3 | 6.8–18 | |
> = 80 | 6 | 0 | 0 | ||