Skip to main content

Table 2 KCH internally validated predictive performance (n = 1276) based on nested repeated cross-validation

From: Evaluation and improvement of the National Early Warning Score (NEWS2) for COVID-19: a multi-hospital study

  

NEWS2 + age, mean (95% CI)

All features, mean (95% CI)

14-day ICU/death

AUC

0.700 [0.680, 0.722]

0.735 [0.715, 0.757]

Brier score

0.192 [0.186, 0.197]

0.183 [0.177, 0.189]

Sensitivity1

0.778 [0.747, 0.815]

0.735 [0.702, 0.772]

Specificity1

0.478 [0.445, 0.509]

0.592 [0.562, 0.621]

  1. 1Calculated at 30% probability threshold. AUC based on repeated, nested cross-validation (inner loop, 10-folds; outer loop = 10-folds/1000 repeats). Missing values imputed at each outer loop with k-nearest neighbour (kNN) imputation
Back to article page

BMC Medicine

ISSN: 1741-7015

Contact us