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  • Title: The Optimal Cut-Off Value of Blood Stasis Syndrome Score in BSS Diagnosis in Korea.
    Author: Kang BK, Park TY, Jung J, Ko M, Lee MS, Lee JA.
    Journal: Evid Based Complement Alternat Med; 2017; 2017():8049481. PubMed ID: 29085435.
    Abstract:
    OBJECTIVE: In the traditional oriental medicine, it is sometimes difficult to diagnose Blood Stasis Syndrome (BSS) in patients, because the diagnosis of BSS is based on the subjective signs and symptoms of patients. This study is aimed at developing the prediction tool of BSS using cut-off value for BSS score. The identification of a cut-off value for BSS score to diagnose BSS would be helpful. METHODS: A total of 887 patients admitted to six traditional Korean medical hospitals in 2013 and three hospitals in 2014. All patients have an identical pattern as a result of diagnostic decision of two experts. The cut-off value for BSS score for BSS diagnosis was determined by the receiver-operating characteristic curve. RESULTS: The area under the curve of this curve was 0.897. The optimal cut-off point for detection of BSS was 49.0. The sensitivity and specificity of this cut-off value were 80.8% and 83.2% in modelling data (2013 dataset) and 84.6% and 83.1% in validation data (2014 dataset), respectively. CONCLUSION: Our study suggests that a BSS score cut-off value of 49.0 can be used to detect BSS in the traditional Korean medical hospitals. This cut-off value for diagnosis of BSS will make up the lack of objectivity.
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