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A reliability study using computer-based analysis of finger joint space narrowing in rheumatoid arthritis patients

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タイトル: A reliability study using computer-based analysis of finger joint space narrowing in rheumatoid arthritis patients
著者: Hatano, Katsuya 著作を一覧する
Kamishima, Tamotsu 著作を一覧する
Sutherland, Kenneth 著作を一覧する
Kato, Masaru 著作を一覧する
Nakagawa, Ikuma 著作を一覧する
Ichikawa, Shota 著作を一覧する
Kawauchi, Keisuke 著作を一覧する
Saitou, Shota 著作を一覧する
Mukai, Masaya 著作を一覧する
キーワード: Rheumatoid arthritis
Joint space narrowing
Computer-based analysis
Reliability
Radiography
発行日: 2017年 2月
出版者: Springer
誌名: Rheumatology international
巻: 37
号: 2
開始ページ: 189
終了ページ: 195
出版社 DOI: 10.1007/s00296-016-3588-y
抄録: The joint space difference index (JSDI) is a newly developed radiographic index which can quantitatively assess joint space narrowing progression of rheumatoid arthritis (RA) patients by using an image subtraction method on a computer. The aim of this study was to investigate the reliability of this method by non-experts utilizing RA image evaluation. Four non-experts assessed JSDI for radiographic images of 510 metacarpophalangeal joints from 51 RA patients twice with an interval of more than 2 weeks. Two rheumatologists and one radiologist as well as the four non-experts examined the joints by using the Sharp-van der Heijde Scoring (SHS) method. The radiologist and four non-experts repeated the scoring with an interval of more than 2 weeks. We calculated intra-/inter-observer reliability using the intra-class correlation coefficients (ICC) for JSDI and SHS scoring, respectively. The intra-/inter-observer reliabilities for the computer-based method were almost perfect (inter-observer ICC, 0.966-0.983; intra-observer ICC, 0.954-0.996). Contrary to this, intra-/inter-observer reliability for SHS by experts was moderate to almost perfect (inter-observer ICC, 0.556-0.849; intra-observer ICC, 0.589-0.839). The results suggest that our computer-based method has high reliability to detect finger joint space narrowing progression in RA patients.
Rights: This is a post-peer-review, pre-copyedit version of an article published in Rheumatology international. The final authenticated version is available online at: http://dx.doi.org/10.1007/s00296-016-3588-y
資料タイプ: article (author version)
URI: http://hdl.handle.net/2115/68387
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

提供者: 神島 保

 

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