Table 1 Examples of time-ordered EHRs sequences.

From: Discriminative and Distinct Phenotyping by Constrained Tensor Factorization

Lorazepam → Acetaminophen → Piperacillin-Tazobactam → Ventricular fibrillation

Diltiazem → Pneumococcal Vac Polyvalent → Anemia → Chronic obst asthma

Pantoprazole Sodium → Acetaminophen

Oxycodone → Heparin Flush → Severe sepsis

  1. Each sequence consists of formulary drug codes (prescription) and ICD-9 codes (diagnosis), and is used in Word2Vec to derive pairwise similarities.
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