Fig. 1From: Sequelae, persistent symptomatology and outcomes after COVID-19 hospitalization: the ANCOHVID multicentre 6-month follow-up studyDendrogram for cluster analysis of sequelae and persistent symptomatology (SPS). Links between vertical lines in the dendrogram link variables or groups of variables with lower dissimilarities than those marked in the vertical axis of the graph. Therefore, lower links between variables indicate stronger relationships between themBack to article page