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Updated: Jan 29, 2026

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キプロス失語症スクリーニング検査(CAST)の開発と心理測定学的検証
Marina Charalambous1,2, Phivos Phylactou1,2,3, Maria Kambanaros1,2
1Department of Rehabilitation Sciences, School of Health Sciences, Cyprus University of Technology, Limassol 3036, Cyprus.
Brain sciences
|January 28, 2026
まとめ
キプロス失語症スクリーニング検査(CAST)は、キプロスにおける脳卒中後の失語症検出のための、新しく信頼性の高いツールです。心理測定学的特性と精度が高く、臨床医の診断を支援します。
科学分野:
- 神経学
- 言語聴覚療法
- 心理測定学
背景:
- 失語症のスクリーニングは、脳卒中後のケアにおいて非常に重要です。
- キプロスには、標準化され検証された失語症スクリーニングツールが不足しています。
- このギャップを埋めるために、キプロス失語症スクリーニング検査(CAST)が開発されました。
研究 の 目的:
- CASTの特徴を提示すること。
- CASTの心理測定学的特性を評価すること。
- 脳卒中後の失語症に対するCASTの診断精度を評価すること。
主な方法:
- 99人の参加者(脳卒中による失語症43人、脳卒中による失語症なし21人、健常者35人)を対象とした横断研究。
- 内的整合性、再検査信頼性、評価者間信頼性、既知群妥当性を評価しました。
- CASTスコアとギリシャ語版ボストン失語症検査との相関を調べ、ROC分析を用いてカットオフ値を決定しました。
主要な成果:
- CASTは、優れた内的整合性(クロンバックのα > 0.967)と高い信頼性(ICC ≥ 0.983)を示しました。
- 既知群妥当性(p < 0.001)が検証され、ギリシャ語版BDAEとの有意な相関(p < 0.001)が認められました。
- ROC分析(AUC = 0.97)により、失語症検出のためのカットオフ値として36/40が特定されました。
結論:
- CASTは、強力な心理測定学的特性を持つ、信頼性の高い臨床家実施のスクリーニングツールです。
- 脳卒中後の失語症を効果的に特定し、影響を受けた個人とそうでない個人を区別します。
- CASTは、キプロスのギリシャ語話者集団に利益をもたらす、迅速なベッドサイドでの実施に適しています。
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