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Figure 2 | BMC Medical Research Methodology

Figure 2

From: A modified Wald interval for the area under the ROC curve (AUC) in diagnostic case-control studies

Figure 2

Power curves for two scenarios. Power curves for the LT and the Wald-cc interval for a 1:1 case-control ratio, n = 40, and AUC 0 = 0.8 (left side), and for the LT and the Wald interval for a 1:1 case-control ratio, n = 200, and AUC 0 = 0.7 (right side). Delta is the difference between AUC 0 (0.8 respectively 0.7) and AUC 1 (from AUC 0 to 0.99 respectively 0.85).

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