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Table 3 Performance evaluation in the primary analysis

From: Predicting the presence of depressive symptoms in the HIV-HCV co-infected population in Canada using supervised machine learning

Evaluation measure (95% CI)

Full algorithm (x = 137)

Reduced algorithm (x = 46)

AUC

0.82 (0.78–0.86)

0.76 (0.71–0.81)

Sensitivity

0.77 (0.70–83)

0.70 (0.63–0.76)

Specificity

0.73 (0.66–0.79)

0.70 (0.63–0.76)

PPV

0.74 (0.68–0.80)

0.70 (0.63–0.76)

NPV

0.76 (0.69–0.82)

0.69 (0.62–0.76)

LR + 

2.8 (2.2–3.6)

2.3 (1.8–2.9)

LR -

0.3 (0.2 – 0.4)

0.4 (0.3–0.6)

  1. Abbreviations: CI Confidence interval, AUC Area under the Receiver Operating Characteristic curve, PPV Positive Predictive Value, NPV Negative Predictive Value, LR + Positive likelihood ratio, LR—Negative likelihood ratio
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BMC Medical Research Methodology

ISSN: 1471-2288

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