Emotional, hyperactivity and inattention problems in adolescents with immunocompromising chronic diseases during the COVID-19 pandemic

•The frequencies of abnormal emotional SDQ scores from adolescents with chronic diseases were significantly lower than those of healthy controls during the COVID-19 pandemic.•The frequencies of abnormal hyperactivity and inattention SDQ scores from adolescents with chronic diseases were significantly lower than those of healthy controls.•Abnormal emotional scores from adolescents with chronic diseases were as independently associated with female sex, poor sleep quality, and intrafamilial violence during the pandemic.•Abnormal hyperactivity and inattention SDQ scores from patients were inversely associated with total PedsQL score, changes in medical appointments during the pandemic, and reliable COVID-19 information remained.