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Table 3 Varied factors in the simulation study

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

Factor Variation Results in paragraph
True AUC (AUC 0) 0.7,0.8,0.9 (each ±0.01)  
Sample size (n) 40,100,200  
Case-control ratio 1:1 Interval length, coverage probability
Measurement scale Continuous  
Variance of the cases (σ 1), σ 0 = 1 1  
Case-control ratio 1:2, 1:9  
Measurement scale Ordinal with five categories Robustness evaluation
Variance of the cases (σ 1), σ 0 = 1 0.5,2,3  
AUC under the alternative hypothesis (AUC 1) 0.700,0.701,…,0.85; Statistical power
  0.800,0.801,…,0.99  
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