Table 1.
Initial Model Inputs
| Parameter | Base Case Value | Data Source |
|---|---|---|
| Fixed parameters | ||
| Greater New Orleans area population, n | 1,262,888 | Census track data |
| Ochsner Greater New Orleans market share, % | 45 | Ochsner executive leadership |
| Initial infected cases, n | 10 | Model assumption for imputation |
| Incubation, days | 5 | UPENN CHIME |
| Duration of symptoms, days | 10 | UPENN CHIME |
| Variable parameters | ||
| R0 | 3 | UPENN CHIME (doubling time of 6 days) |
| Hospitalization rate, % | 9 | Observed proportion based on Ochsner intensive care unit rate |
| Intensive care unit rate, % | 3 | UPENN CHIME |
| Mechanical ventilation rate, % | 2 | Local observed ventilator rate in Ochsner intensive care unit patients |
| Hospital length of stay, days | 7 | UPENN CHIME |
| Intensive care unit length of stay, days | 11 | Personal communication with University of Washington critical care |
| Mechanical ventilation length of stay, days | 14 | Local observed Ochsner length of stay |
UPENN CHIME, University of Pennsylvania COVID-19 Hospital Impact Model for Epidemics.4