Unsupervised clustering of single-lead electrocardiograms associates with prevalent and incident heart failure in coronary artery disease.

Differences in prevalent coronary artery disease diagnoses of ICD9, ICD10, and OPCS-4 codes between clusters In the CAD-IMG-UKB cohort, nominally significant differences were observed for angina pectoris (I20.9) [ n = 65 (18%) vs. n = 362 (23%), P = 0.03] and saphenous vein graft replacement of one coronary artery (K40.1) [ n = 3 (1%) vs. n = 2 (0.1%), P = 0.05] when comparing Cluster 1 vs.

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46 Even some studies suggest that such variations may be significant enough to either mask or mimic signs of ischaemia in the ECG. 47 Additionally, individuals in CAD-EST-UKB were younger and had longer follow-up period.

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