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. 2006 Sep;8(4):449–458. doi: 10.2353/jmoldx.2006.060033

Table 4.

Power of Array CGH to Detect Single Copy Alterations for Samples of Different Ploidy, as Determined by the Area Under the ROC Curves

Ploidy Copy number alteration Area under ROC curve
Diploid 1-Copy loss 0.997
1-Copy gain 0.954
Triploid 1-Copy loss 0.970
1-Copy gain 0.930
Hypertriploid 1-Copy loss 0.825
1-Copy gain 0.802

A larger area indicates better performance.