Table 3.
Feature importance of the best performing logistic regression model (OMOP + NLP binary). Features are ranked by coefficient magnitude and color coded based on the originating feature set (yellow = NLP, salmon = OMOP).
| false positive | mild | moderate | severe | ||||
|---|---|---|---|---|---|---|---|
| coeff | description | coeff | description | coeff | description | coeff | description |
| −1.257 | Accidental poisoning by heroin | −2.234 | Narcan | 2.407 | Narcan | 2.183 | Endotracheal tube |
| −1.169 | Narcan | 0.896 | Drowsiness | −1.602 | Endotracheal tube | 1.334 | Acute respiratory failure |
| −1.05 | Altered mental status | 0.837 | Poisoning by aromatic analgesic | −0.825 | Continuous invasive mechanical ventilation… | 1.31 | Continuous invasive mechanical ventilation … |
| 0.78 | Emergency department visit for the evaluation and management of a patient… |
0.779 | Dementia | 0.669 | Chronic pain syndrome | 1.275 | Ventilator equipment - respiratory |
| −0.76 | drug overdose | −0.76 | Intubation | 0.603 | Accidental poisoning by heroin | 0.948 | Insertion of nontunneled centrally inserted central venous catheter; age 5 years or older |
| −0.684 | Drowsiness | 0.527 | confusion | −0.53 | Ventilator - respiratory equipment | 0.882 | Cardiac arrest |
| −0.574 | LFTs | −0.524 | Chronic pain | −0.49 | Poisoning by opiate AND/OR related narcotic |
−0.766 | Office or other outpatient visit for the evaluation and management of an established patient… |
| 0.541 | Thromboplastin time, partial; plasma or whole blood | 0.507 | Urine drug screen | −0.437 | suicide | 0.594 | Radiologic examination, chest; single view, frontal |
| 0.536 | Essential hypertension | 0.465 | Suicidal deliberate poisoning | 0.432 | Chronic pain | 0.438 | Intubation, endotracheal, emergency procedure |
| −0.486 | Acute respiratory failure | 0.439 | Alanine aminotransferas e serum/plasma | −0.383 | Age < 25 | 0.318 | Insertion of Endotracheal Airway into Trachea… |