This is a correction by the author of the article entitled "Detection of undiagnosed liver cirrhosis by AI-assisted electrocardiogram: a pragmatic, cluster-randomized clinical trial". The article was published in Nature Medicine online on February 10, 2026 with DOI: 10.1038/s41591-026-04261-5. This is an author correction that modifies the information in the original publication about the detection of undiagnosed cirrhosis of the liver using AI on the electrocardiogram. The study is a pragmatic and cluster-randomized clinical trial. No further details of the main findings or statistics are given in the content provided.