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Table 7 Diagnostic accuracy measures of consensus model

From: Application of multiple statistical tests to enhance mass spectrometry-based biomarker discovery

 

Consensus Model

Number of variables in final model

2

Mass peaks (m/z)

1809.98, 3826.00

Area under ROC curve

0.793

Sensitivity (%)

63.16

Specificity (%)

82.22

PPV (%)

85.96

NPV (%)

84.09

Percent accuracy (%)

76.56

  1. Consensus peaks included in this model are peaks selected as statistically differential across three of the four algorithms. ROC = Receiver Operating Characteristic, PPV = Positive Predictive Value, NPV = Negative Predictive Value