Skip to main content

Table 1 Prevalence of COPD GOLD I and II in some epidemiological studies of COPD

From: What have we learned from observational studies and clinical trials of mild to moderate COPD?

Study Country Prevalence (%)
GOLD I GOLD II
Halbert et al. [13] Worldwide All 7.6 (6.0–9.5)
 9.8 (5.9–15.8) 5.5 (3.3–9.0)
Buist AS, et al. (BOLD) [6] Guangzhou  5.9% 7.6%
Salzburg  16.3% 9.3%
Cape town  6.5% 14.2%
Reykjavik  9.7% 6.7%
Krakow  14.4% 10.3%
Manila  0.9% 11.3%
Menezes AM, et al. (PLATINO) [15] Sao Paulo  10.1% 4.6%
Santiago  11% 4.9%
Mexico City  5.2% 1.9%
Montevideo  12.5% 6.4%
Caracas  6.4% 4.9%
Miravitlles M et al. (EPISCAN) [18] Spain All 10.2%
 5.7% 3.9%