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Figure 5 Phenotypic status and age at first clinical evaluation of all individuals identified with TNNI3 mutations including probands and clinically affected and unaffected mutation carriers. The mean age at first clinical evaluation of affected individuals (probands + affected relatives) was 39.9 years (standard deviation: 17.7) and for unaffected relatives 39.6 years (standard deviation: 18.2). Solid bars = probands; checkered bars = affected relatives with hypertrophic cardiomyopathy; open bars = unaffected relatives.