Epidemiology of Idiopathic Pulmonary Fibrosis in Northern Italy
Fig 2
Trend in age-sex standardized annual incidence rates (per 100,000 person-years) of IPF in Lombardy during 2005–2010 by case definition.
(A) General case definition. (B) Broad case definition. (C) Narrow case definition. Grey bands indicate 95% confidence intervals.