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Component analysis of verbal fluency scores in severe traumatic brain injury

机译：严重创伤性脑损伤中言语流畅分数的组分分析

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Primary objective: This study set out to examine the sensitivity of verbal fluency component scores in severe traumatic brain injury (TBI). Research design: A retrospective cross-sectional design was used, with control participants chosen at random from the community and TBI patients from litigation cases. Methods and procedures: Fifty-four healthy controls and 28 patients who had incurred a severe TBI were included in the study. The Controlled Oral Word Association test was rescored to include clustering and switching scores for phonemic and semantic fluency separately. The scores were compared between controls and TBI patients using independent samples t-tests. Main outcomes and results: The findings demonstrate that component scores for semantic fluency yielded the largest effect sizes overall (d=1.32 and d=1.53), but not phonemic fluency. Total words generated in phonemic fluency yielded the largest effect size, although still modest (d=0.62). Conclusions: While verbal fluency may be a useful test tool to elicit evidence of neuropsychological impairment after TBI, these findings are consistent with previous research demonstrating that component scores are more sensitive indices. There is potential clinical utility in using component scores for examining the specific severity of verbal fluency impairment in TBI and guiding rehabilitation efforts.
机译：初级目标：本研究表明，检查严重创伤性脑损伤（TBI）中言语流畅成分分数的敏感性。研究设计：使用回顾性横截面设计，控制参与者从社区和TBI患者随机选择的诉讼。方法和程序：在研究中包含54例健康对照和28名患有严重TBI的患者。受控的口语关联测试被恢复为单独包含聚类和切换音素和语义流畅的分数。使用独立样品T检验对照组和TBI患者之间进行了比较。主要结果和结果：调查结果表明，语义流畅性的组分分数产生了总体的最大效果尺寸（D = 1.32和D = 1.53），但不是音素流畅。在音素流畅中产生的总词产生最大的效果大小，尽管仍然适度（d = 0.62）。结论：虽然口头流畅性可能是在TBI之后引出神经心理障碍证据的有用测试工具，但这些发现与先前的研究一致，证明组件得分是更敏感的指数。使用组分分数来检查TBI和指导康复努力的言语流畅障碍的特异性严重程度存在潜在的临床效用。

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