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    Diagnostic Value of Ankle-Brachial Index in Peripheral Arterial Disease: A Meta-Analysis

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    Authors
    Xu, Dachun
    Zou, Liling
    Xing, Yan
    Hou, Lei
    Wei, Yidong
    Zhang, Ji
    Qiao, Yongxia
    Hu, Dayi
    Xu, Yawei
    Li, Jue
    Ma, Yunsheng
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    UMass Chan Affiliations
    Department of Medicine, Division of Preventive and Behavioral Medicine
    Document Type
    Journal Article
    Publication Date
    2012-08-24
    Keywords
    Peripheral Arterial Disease
    Ankle Brachial Index
    Behavioral Disciplines and Activities
    Behavior and Behavior Mechanisms
    Cardiovascular Diseases
    Community Health and Preventive Medicine
    Preventive Medicine
    
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    Link to Full Text
    http://dx.doi.org/10.1016/j.cjca.2012.06.014
    Abstract
    BACKGROUND: In a previous review, we reported that ankle brachial index (ABI) METHODS: Quality of each study was assessed by standards for reporting diagnostic accuracy initiative and quality assessment for studies of diagnostic accuracy tool. Heterogeneity was assessed using the Cochran Q statistic, chi(2), and inconsistency index. The area under the curve and Q* were estimated using summary receiver operator curve. The pooled diagnostic odds ratio (DOR), sensitivity, specificity, positive likelihood ratio (PLR), and negative likelihood ratio (NLR) of ABI RESULTS: Four studies comprising 569 patients (922 limbs) met inclusion criteria. Significant heterogeneity among these studies was not detected in DOR but was evident in pooled sensitivity, specificity, PLR, and NLR. The area under the curve under the summary receiver operator curve is 0.87 (standard error = 0.02) and diagnostic accuracy (Q*) is 0.80 (standard error = 0.02). Additionally, DOR was 15.33 with corresponding 95% confidence intervals of 9.39-25.02. The pooled sensitivity and specificity of ABI CONCLUSIONS: We conclude that test of ABI
    Source
    Can J Cardiol. 2012 Aug 24. Link to article on publisher's site
    DOI
    10.1016/j.cjca.2012.06.014
    Permanent Link to this Item
    http://hdl.handle.net/20.500.14038/44798
    PubMed ID
    22926041
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    Link to Article in PubMed
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.cjca.2012.06.014
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    Population and Quantitative Health Sciences Publications

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