1. Trends in COPD prevalence and exacerbation rates in Dutch primary care
by Erik WMA Bischoff, Tjard RJ Schermer, Hans Bor, Pete Brown, Chris van Weel, and Wil JHM van den Bosch
BJGP
Volume 59(569):
December 1, 2009
©2009 by British Journal of General Practice

2. Trends in prevalence (n per 1000 patients per year), of physician-diagnosed COPD by sex; 3-year moving averages for the period 1980 to 2006.
Trends in prevalence (n per 1000 patients per year), of physician-diagnosed COPD by sex; 3-year moving averages for the period 1980 to 2006.
Erik WMA Bischoff et al. Br J Gen Pract 2009;59:
©2009 by British Journal of General Practice

3. Trends in exacerbation rates (n per 100 patients per year) of patients with physician-diagnosed COPD; 3-year moving averages for the period 1980 to 2006.
Trends in exacerbation rates (n per 100 patients per year) of patients with physician-diagnosed COPD; 3-year moving averages for the period 1980 to Trends were analysed for the period 1986–2006.
Erik WMA Bischoff et al. Br J Gen Pract 2009;59:
©2009 by British Journal of General Practice

4. Trends in COPD patients with exacerbations (% of total COPD patients): 3-year moving averages for the period 1980–2006.
Trends in COPD patients with exacerbations (% of total COPD patients): 3-year moving averages for the period 1980–2006. Trends were analysed for the period 1986–2006.
Erik WMA Bischoff et al. Br J Gen Pract 2009;59:
©2009 by British Journal of General Practice