Skip to main content

Table 3 Improvement in prediction abilities of two new models compared with SAPSII score

From: Prognostic nomogram for 30-day mortality of deep vein thrombosis patients in intensive care unit

  Stepwise logistic regressiona P value Logistic regression with LASSOa P value
NRI (categorical) (95% CI) 0.352 (0.187–0.517) < 0.001 0.167 (0.006–0.328) 0.042
NRI (continuous) (95% CI) 0.792 (0.580–1.004) < 0.001 0.422 (0.200–0.643) < 0.001
IDI (95% CI) 0.186 (0.119–0.254) < 0.001 0.073 (0.016–0.131) 0.012
AUC (95% CI) 0.885 (0.849–0.921) < 0.001 0.845 (0.804–0.885) 0.021
  1. SAPSII simplified acute physiology score II, LASSO least absolute shrinkage and selection operator, NRI net reclassification improvement, IDI integrated discrimination improvement, AUC area under the curve, CI confidence interval
  2. aCompared with SAPSII score