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Table 4 Diagnostic accuracy measures of optimal t-test model

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

T-test

Optimal Model

Number of variables in final model

3

Mass peaks (m/z)

1740.94, 3598.07, 5078.90

Sensitivity (%)

33.30

Specificity (%)

84.20

PPV (%)

50.00

NPV (%)

72.70

Percent accuracy (%)

67.90

  1. All differential peaks have a p-value less than 0.05. PPV = Positive Predictive Value, NPV = Negative Predictive Value