Large regional variation in cardiac closure procedures to prevent ischemic stroke in Switzerland a population-based small area analysis
Fig 1
Variation in age- and sex-standardized PFO or LAA closure procedure rates per 100,000 persons across 10 Swiss hospital service areas (average rate for calendar years 2013–2018).
PFOC = PFO closure. LAAC = LAA closure. Average age-/sex-standardized procedure for each HSA per 100,000 persons.