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Prevalence of any major and minor ECG abnormalities. Comparison of the prevalence of any major and minor ECG abnormalities between survivors (all and per cardiotoxic cancer exposure) and siblings, both adjusted and unadjusted for sex and attained age. †Fisher’s exact test demonstrated a p value of <0.05. ‡Comparison with siblings, adjusted for sex and age at ECG, demonstrated a p value of <0.05. RT, radiotherapy.
