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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