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Questions and Answers
What is the full form of CAC in the context of the text?
Circulating genetically abnormal cell
What is the abbreviation for computed tomography used in the text?
CT
Which high-risk populations can benefit from screening with LDCT according to the text?
High-risk populations for lung cancer
What is one limitation mentioned in the text regarding CT examination for pulmonary nodules?
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What has emerged as a promising liquid biopsy marker with improved diagnostic performance compared to other markers?
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In which cluster of patients did the AUC of CACs perform better than the overall patients?
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What were the independent risk factors for malignant lung nodules in Cluster 1?
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What does the diagnostic model for lung nodules use as predictors?
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How is the probability of malignancy calculated in the established diagnostic model?
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What was the AUC value of the diagnostic model for lung nodules?
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At what Youden index value was the optimal cut-off value determined?
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What was the sensitivity of the diagnostic model at the optimal cut-off value?
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