Receiver under the operator characteristic (ROC) curve for the test accuracy of the final risk score in the entire external validation sample (c statistic=0.84,

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Presentation transcript:

Receiver under the operator characteristic (ROC) curve for the test accuracy of the final risk score in the entire external validation sample (c statistic=0.84, 95% CI 0.83 to 0.85), ignoring clustering of patients within practices. Receiver under the operator characteristic (ROC) curve for the test accuracy of the final risk score in the entire external validation sample (c statistic=0.84, 95% CI 0.83 to 0.85), ignoring clustering of patients within practices. Each point on the graph represents the performance (sensitivity and specificity) of the risk score at specific thresholds. Shamil Haroon et al. BMJ Open Resp Res 2015;2:e000060 ©2015 by British Thoracic Society