AWTTS | Death | Events | ||
AUROC (95% CI) admission | AUROC (95% CI) 24 hours | AUROC (95% CI) admission | AUROC (95% CI) 24 hours | |
MEWS score | 0.706 (0.64 to 0.78) [4232] | 0.623 (0.50 to 0.75) [2160] | 0.609 (0.57 to 0.65) | 0.564 (0.49 to 0.64) |
MEWS score with missing values imputed | 0.667 (0.62 to 0.72) | 0.490* (0.42 to 0.56) | 0.617 (0.59 to 0.64) | 0.386* (0.36 to 0.42) |
NEWS score | 0.792 (0.68 to 0.90) [1857] | 0.657 (0.49 to 0.83) [1293] | 0.616 (0.54 to 0.69) | 0.555 (0.45 to 0.66) |
NEWS score with missing values imputed | 0.677 (0.62 to 0.73) | 0.583 (0.53 to 0.64) | 0.602 (0.57 to 0.63) | 0.475* (0.45 to 0.50) |
SEWS score | 0.793 (0.70 to 0.88) [1862] | 0.676 (0.50 to 0.85) [1294] | 0.621 (0.55 to 0.69) | 0.562 (0.46 to 0.66) |
SEWS score missing values imputed | 0.702 (0.66 to 0.75) | 0.599* (0.55 to 0.65) | 0.609 (0.58 to 0.63) | 0.510* (0.49 to 0.53) |
CART score | 0.764 (0.72 to 0.81) [9737] | 0.787 (0.71 to 0.87) [5735] | 0.604 (0.57 to 0.64) | 0.665 (0.61 to 0.72) |
CART score missing values imputed | 0.781 (0.744 to 0.818) | 0.744 (0.70 to 0.74) | 0.636 (0.61 to 0.63) | 0.569* (0.54 to 0.60) |
ViEWS score | 0.778 (0.67 to 0.89) [1862] | 0.679 (0.52 to 0.84) [1299] | 0.602 (0.53 to 0.68) | 0.565 (0.46 to 0.67) |
ViEWS score missing values imputed | 0.677 (0.62 to 0.73) | 0.585 (0.53 to 0.64) | 0.601 (0.57 to 0.63) | 0.476* (0.45 to 0.50) |
Sample size of non-imputed scores is given in brackets ‘ []’.
*Significant difference between discrimination at admission and discrimination at 24 hours before for imputed scores.
AUROC, area under the receiver operating characteristic; AWTTS, aggregate weighted track and trigger systems.