Table 9.
Structured fields from UW EHR used to predict COVID-19 infection. indicates the function used to aggregate multiple measurements/values. Fields that measure the same phenomena and were treated as a single feature, resulting in 29 distinct structured EHR fields: {“Temperature - C,” “Temperature (C)”}, {“HR,” “Heart Rate”}, and {“O2 Saturation (%),” “Oxygen Saturation”}. All fields numerical (e.g. “Temperature (C)” =38.1), except “Troponin I Interpretation” and ”Gender”.
| Parameter | Fields in UW EHR | |
|---|---|---|
| age | “AgeIn2020” | max |
| ALT | “ALT (GPT)” | max |
| albumin | “Albumin” | min |
| ALP | “Alkaline Phosphatase (Total)” | max |
| AST | “AST (GOT)” | max |
| basophils | “Basophils” and “% Basophils” | min |
| calcium | “Calcium” | min |
| CRP | “CRP, high sensitivity” | max |
| D-dimer | “D_Dimer Quant” | max |
| eosinophils | “Eosinophils” and “% Eosinophils” | min |
| GGT | “Gamma Glutamyl Transferase” | max |
| gender | “Gender” | last |
| heart rate | “Heart Rate” and “HR” | max |
| LDH | “Lactate Dehydrogenase” | max |
| lymphocytes | “Lymphocytes” and “% Lymphocytes” | min |
| monocyptes | “Monocytes” | max |
| neutrophils | “Neutrophils” and “% Neutrophils” | max |
| oxygen saturation | “Oxygen Saturation” and “O2 Saturation (%)” | min |
| platelets | “Platelet Count” | min |
| PT | “Prothrombin Time Patient” and “Prothrombin INR” | max |
| respiratory rate | “Respiratory Rate” | max |
| temperature | “Temperature - C” and “Temperature (C)” | max |
| troponin | “Troponin_I” and “Troponin_I Interpretation” | max |
| WBC count | “WBC” | min |