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Gender differences of neurocognitive functioning in patients with first-episode schizophrenia in China.

Abstract：

AIMS:To investigate the gender differences in neurocognitive functioning in patients with first-episode schizophrenia (FES) in China. METHODS:A total of 449 Chinese patients with FES (210 males, 239 females) were included in this study. Participants' psychopathology was assessed by the Positive and Negative Syndrome Scale (PANSS). Neurocognitive functioning was assessed by 10 neuropsychological tests from a battery. Neurocognitive test scores were converted to scale scores and t-scores using normative data from Chinese populations. RESULTS:Males were younger and less likely to be married, had an earlier age of illness onset and a longer duration of untreated psychosis (DUP), and scored higher on the PANSS negative, general and total scales than females. After controlling for potential confounders, females performed better than males in the verbal learning and memory domain (p=0.016). While most neurocognitive domains were correlated with PANSS negative scores for male patients with FES, for female patients with FES, negative associations were found between scores on the PANSS general subscales and neurocognitive domains. We also performed a case-control comparison with a group of patients with clinically stable schizophrenia (CSS) (n=60) who were matched by age, sex and education years with patients with FES (n=58). After controlling for potential confounders, no significant differences were found between patients with FES and patients with CSS in all neurocognitive domains. Female patients still performed better in the verbal learning and memory domain (t=2.14, p=0.034). No interaction effects of gender and disease were found. CONCLUSIONS:Gender was an independent influence factor for the verbal learning and memory domain. Both female patients with first-episode schizophrenia and female patients with clinically stable schizophrenia performed better than male patients.

journal_name

Compr Psychiatry

journal_title

Comprehensive psychiatry

authors

Pu C,Qiu Y,Zhou T,Yang F,Lu Z,Wang C,Deng H,Zhao J,Shi C,Yu X

doi

10.1016/j.comppsych.2019.152132

subject

Has Abstract

pub_date

2019-11-01 00:00:00

pages

152132

eissn

0010-440X

issn

1532-8384

pii

S0010-440X(19)30055-0

journal_volume

pub_type

杂志文章,多中心研究

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Gender differences of neurocognitive functioning in patients with first-episode schizophrenia in China.