Fig. 2From: Geographical variation and clustering are found in atrial fibrillation beyond socioeconomic differences: a Danish cohort study, 1987–2015High-risk clusters of incident atrial fibrillation (including atrial flutter) stratified by age (year 2011–2015). Only statistically significant cluster are shown (p value < 0.05). Map contain data from © EuroGeographics for the administrative boundariesBack to article page