Fig. 3From: Trends and area variations in Potentially Preventable Admissions for COPD in Spain (2002–2013): a significant decline and convergence between areasEvolution of COPD-PPH standardized rates by Autonomous Communities (Spanish NHS, 2002–2013). Foot: COPD-PPH: Chronic Obstructive Pulmonary Disease for Potentially Preventable Hospitalizations; NHS: National Health SystemBack to article page