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Reliability and Validity01:29

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Human civilization relies on biodiversity in many ways. Sudden changes in species biodiversity result in environmental changes that can modify weather patterns and therefore human civilizations.
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A critical value is a definite value obtained from a particular probability distribution at a predecided confidence level (or a predecided significance level) for a given population parameter. The critical value provides demarcation that separates the sample statistics that are likely to occur from the ones that are unlikely to occur based on the given probability distribution and the population parameter to be estimated. The critical value for normal distribution is obtained from the z...
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トリケトラルアラインメント: 測定技術,信頼性,正常値

Robert Sippo1, Kira Huuska1, Theresa Höglund1

  • 1Department of Hand Surgery, Helsinki University Hospital and University of Helsinki, Helsinki, Finland.

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まとめ

コンピュータ・アイド・アナリストは,トリケトラル・アラインメントを評価するための信頼できる方法を提供し,カーパル・インスタビリティの診断の正確性を向上させます. この研究は,この高度な技術を使用して,トリケトラルアライナメントの正常値を確立します.

キーワード:
カーパルアラインメントコンピュータ・アシスタド・アナリストルノトリケトラル ルノトリケトラル測定の信頼性について正常値とは,通常の値のことです.

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科学分野:

  • 整形外科の手術は,整形外科の手術です.
  • 放射線学 放射線学
  • バイオメカニクス バイオメカニクス

背景:

  • トリケトラル・アラインメントの評価は,手足の不安定性を診断する上で極めて重要です.
  • トリケトラル・アラインメントを測定するための既存の方法は信頼性が欠けている.
  • 標準化され,正確な測定技術が必要である.

研究 の 目的:

  • 経験豊富な観察者によるトリケトラルの角度測定の信頼性に影響を与える要因を評価する.
  • コンピュータアシスタント分析ソフトウェアを使用して,トリケトラルアライナメントの正常値を決定する.
  • 手動による測定とコンピュータによる測定の信頼性を比較する.

主な方法:

  • 症状のない手首の121個のコーンビームコンピュータトモグラフィースキャンが,数学的モデリングソフトウェアを使用して分析されました.
  • ラジオトリケトラルおよびルノトリケトラル角度が測定されました.
  • 手術医による手動測定は,指示と画像の最適化による,またはそれなしの,横のX線写真で,手術医によって行われました.
  • クラス内および観察者間の信頼性は,クラス内相関係数を使用して評価されました.

主要な成果:

  • コンピュータによる解析は,優れた再現性を示した.
  • 伝統的な軸軸を用いた手動測定は,信頼性が低いから中等であった.
  • 最適化された画像における新しい垂直軸は,手動測定のための優れた信頼性をもたらしました.
  • ソフトウェアは,手足の不安定性の患者で異常なトリケトラル角度を特定しました.

結論:

  • 放射線写真でトリクテル軸の手動識別は信頼できない.
  • コンピュータ支援分析は,トリケトラル・アラインメントを評価するためのより信頼性の高い方法を提供します.
  • 確立された正常値は,トリケトラル病理および手足の不安定性の診断に役立ちます.