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Table 3 Contingency tables of true and predicted* flare status in cross-validation test folds of the stacking meta-classifier model

From: Advanced machine learning for predicting individual risk of flares in rheumatoid arthritis patients tapering biologic drugs

Fold-1   Predicted flare status
No Yes
Observed flare status No 15 4
Yes 1 7
Fold-2   Predicted flare status
No Yes
Observed flare status No 21 0
Yes 1 5
Fold-3   Predicted flare status
No Yes
Observed flare status No 15 7
Yes 1 4
Fold-4   Predicted flare status
No Yes
Observed flare status No 19 3
Yes 1 4
Fold-5   Predicted flare status
No Yes
Observed flare status No 19 1
Yes 3 4
  1. *Binary predictions based on predicted risk threshold selected using Youden’s index in each fold