Relationship between clinical features and cognitive function in patients with childhood and adolescence-onset schizophrenia

CAO Yang; KANG Chuan-Yuan; WAN Shuai; DU Meng-Meng; DING Kai-Jing; LI Xue-Rong

doi:10.7499/j.issn.1008-8830.2015.04.018

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Chinese Journal of Contemporary Pediatrics ›› 2015, Vol. 17 ›› Issue (4) : 379-383. DOI: 10.7499/j.issn.1008-8830.2015.04.018

CLINICAL RESEARCH

Relationship between clinical features and cognitive function in patients with childhood and adolescence-onset schizophrenia

CAO Yang, KANG Chuan-Yuan, WAN Shuai, DU Meng-Meng, DING Kai-Jing, LI Xue-Rong

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Abstract

Objective To explore the factors influencing cognitive functions in patients with childhood and adolescence-onset schizophrenia. Methods The clinical data of 78 patients with childhood and adolescence-onset schizophrenia who met with the criteria of ICD-10 for schizophrenia were retrospectively reviewed. The cognitive functions were evaluated by the Chinese Wechsler Intelligence Scale for Children (C-WISC), the Wisconsin Card Sorting Test (WCST), digit span backward and P300. The clinical symptoms were evaluated by the Positive and Negative Syndrome Scale (PANSS). Results The patients with a lower education level or earlier onset of age had a longer P3 latency at the P300Fz area. The patients with a higher parental education level had higher scores of full intelligence quotient (FIQ), verbal intelligence quotient (VIQ), performance intelligence quotient (PIQ), conceptual level and completed categories of WCST and backward numeric order reciting. The patients with higher PANSS negative subscale scores had lower scores of FIQ, VIQ, PIQ, completed categories and conceptual level of WCST and backward numeric order reciting. The patients with a longer stabilization time had higher backward numeric order reciting scores. Conclusions The severity of negative symptoms of the patients and the educational level of their parents are major factors influencing cognitive functions in patients with childhood and adolescence-onset schizophrenia.

Key words

Schizophrenia / Cognitive function / Clinical feature / Child and adolescent

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CAO Yang, KANG Chuan-Yuan, WAN Shuai, DU Meng-Meng, DING Kai-Jing, LI Xue-Rong. Relationship between clinical features and cognitive function in patients with childhood and adolescence-onset schizophrenia[J]. Chinese Journal of Contemporary Pediatrics. 2015, 17(4): 379-383 https://doi.org/10.7499/j.issn.1008-8830.2015.04.018

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