大范围成就测验单词阅读子测验分数对严重精神疾病患者病前智力残疾的影响

IF 3 Q2 PSYCHIATRY

Schizophrenia Research-Cognition Pub Date : 2025-08-05 DOI:10.1016/j.scog.2025.100381

Susan R. McGurk , Renata Botello , Daniel Fulford , Kim T. Mueser

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引用次数: 0

摘要

阅读测试的表现通常被用作严重精神疾病（SMI）患者发病前智力残疾的指标，但缺乏独立的证据来验证其使用。本研究评估了宽范围成就测试单词阅读子测试预测重度精神障碍患者智力残疾史的准确性。方法研究对象为105名重度精神障碍患者（占精神分裂症患者的62.8%），根据医疗记录审查，这些患者要么有确诊的智力残疾史(确诊ID；n = 18)或无此类历史记录(no ID；n = 87)。参与者接受WRAT-III阅读子测试，改善精神分裂症认知的测量和治疗研究（matrix）共识认知电池，以及其他三个认知测试。拟合接收者操作者特征（ROC）曲线，以确定WRAT上正确分类已确认ID和未确认ID组的最佳截止分数。使用t检验和效应量来比较两组在WRAT和认知测试上的差异。结果ROC曲线显示，WRAT的截止分为70分或以下时，正确识别出88.9%的确诊ID（敏感性），错误识别出5.6%的未确诊ID（特异性）(p <；措施)。确认身份组在认知电池方面的表现比没有身份组差，但WRAT的效应值高于任何认知测试。结论WRAT单词阅读亚测试分数≤70分是重度精神障碍患者发病前智力残疾的重要指标。

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Wide Range Achievement Test word reading subtest score as an indicator of premorbid intellectual disability in serious mental illness

Objective

Performance on reading tests is often used as an indicator of premorbid intellectual disability in individuals with serious mental illness (SMI), but independent evidence validating their use is lacking. This study evaluated the accuracy of the Wide Range Achievement Test Word Reading Subtest in predicting history of intellectual disability in people with SMI.

Methods

Participants were 105 people with SMI (62.8 % schizophrenia) with either a confirmed history of intellectual disability based on medical record review (Confirmed ID; n = 18) or no such history (No ID; n = 87). Participants were administered the WRAT-III Reading Subtest, the Measurement and Treatment Research to Improve Cognition in Schizophrenia (MATRICS) Consensus Cognitive Battery, and three other cognitive tests. A receiver operator characteristics (ROC) curve was fit to identify the optimal cutoff score on the WRAT for correctly classifying the Confirmed ID and No ID groups. t-tests and effect sizes were used to compare the two groups on the WRAT and cognitive tests.

Results

The ROC curve indicated that a cutoff score of 70 or below on the WRAT correctly identified 88.9 % of individuals with Confirmed ID (sensitivity) and incorrectly identified 5.6 % of individuals with No ID (Specificity) (p < .001). Performance on the cognitive battery was worse in the Confirmed ID group than No ID group, but the effect size for the WRAT was higher than any of the cognitive tests.