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We have developed fast and practical computer\u2010based methods to analyze heart rate variation using standard EMG equipment and a personal computer. For quantitative description we have evaluated different algorithms, both earlier described and new ones. Findings in patients with diabetes have been compared with those obtained from healthy subjects in order to determine the diagnostic utility of the various algorithms. The optimal algorithm has been chosen by this and other criteria, and a reference database from healthy subjects has been developed.<\/jats:p>","DOI":"10.1002\/mus.880121207","type":"journal-article","created":{"date-parts":[[2005,1,1]],"date-time":"2005-01-01T09:19:23Z","timestamp":1104571163000},"page":"993-1000","source":"Crossref","is-referenced-by-count":41,"title":["Automatic analysis of heart rate variation: I. 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