Liqi Shu

• Beyond Comorbidity Indices 28 March 2026

  A permutation-invariant deep-learning model that learns ICD-10-CM code representations improved 30-day readmission prediction (AUC 0.7496 vs 0.6553 for CCI) and postdischarge in-hospital mortality prediction (AUC 0.8557 vs 0.7844 for age-adjusted CCI) compared with standard comorbidity-index baselines in a national claims database of over 51 million adult hospitalizations.

  researchresearch/machine-learning