Fig. 7From: Characterisation, symptom pattern and symptom clusters from a retrospective cohort of Long COVID patients in primary care in CataloniaTransitions and cluster evolution over time. A shows the transitions from the cluster at the start of the follow-up (bottom) to the cluster at the end of follow-up (top). B shows the transition matrix of these transitions, reporting the percentage of individuals that changed from one initial cluster (rows) to a final cluster (columns)Back to article page