Table 3.
Prevalence Data From Key Field Studies in the West and in Asia*
| Study/Year |
Country |
Age Distribution, yr |
Diagnostic Label |
Prevalence, % |
||
|---|---|---|---|---|---|---|
| Male | Female | All | ||||
| West | ||||||
| Mannino et al6/2002 | United States | ≥ 25 | Physician diagnosis CE/CB | 4.6 | 7.3 | 6.0 |
| Locasse et al10/1999 | Canada | ≥ 55 | Physician diagnosis CE/CB | 6.3 | 5.2 | 5.7 |
| Soriano et al21/2000 | United Kingdom | ≥ 20 | Physician diagnosis COPD | 1.4 | 0.8 | |
| Bakke et al23/1991 | Norway | > 18 | Spirometry | 4.5 | ||
| Menezes et al25/2005 | South America | > 40 | Post-BD spirometry | 11.4–24.2† | 6.5–14.5† | 7.8–19.7† |
| Schirnhofer et al26/2007 | Salzburg, Austria | > 40 | Post-BD spirometry | 26.6 | 25.7 | 26.1 |
| Halbert et al20/2006 | Global systemic review | ≥ 40 | Chronic bronchitis | 6.4 | ||
| Emphysema | 1.8 | |||||
| COPD (spirometry) | 8.9 | |||||
| COPD all‡ | 7.6 | |||||
| East | ||||||
| Pandey28/1984 | Nepal | ≥ 20 | Chronic bronchitis | 18.0 | ||
| Jindal30/2006 | India | ≥ 35 | Chronic bronchitis | 5.0 | 3.2 | 4.1 |
| Woo and Pang29/1988 | Hong Kong | ≥ 60 | Spirometry (pre-BD) | 6.8 | ||
| Fukuchi et al32/2004 | Japan | ≥ 40 | Spirometry (pre-BD) | 16.4 | 5.0 | 10.9 |
| Kim et al33/2005 | South Korea | > 45 | Spirometry (pre-BD) | 25.8 | 9.6 | 17.2 |
*
Pre-BD = prebronchodilator; Post-BD = postbronchodilator; CE = chronic emphysema; CB = chronic bronchitis.
†
Range for five cities.
‡
Spirometry, patient reported, physician diagnosed, and physical/radiology.