Table 1.
Demographics and clinical characteristics. All clinical data reported from initial ED visit prior to decision made to place patient in EDOU. Bold indicates p < 0.05 for the difference between admitted and discharged patients. Two-tailed t-test used for continuous variables. Chi-squared test used for categorical variables.Abbreviations: CKD, Chronic Kidney Disease; COPD, Chronic Obstructive Pulmonary Disease; CAD, Coronary Artery Disease; CHF, Congestive Heart Failure; TIIDM, Type II Diabetes Mellitus (TIIDM)
| Full Cohort | Admitted | Discharged | P-value | |
|---|---|---|---|---|
| Number in Cohort | 120 | 42 | 78 | |
| Age median (Q1-Q3) in years | 60 (52–73) | 65 (56–77) | 59 (48–68) | 0.05 |
| Sex | 0.93 | |||
| Male | 50 (42%) | 20 (48%) | 30 (38%) | |
| Female | 70 (58%) | 22 (52%) | 48 (62%) | |
| Nadir SpO2 on RA: median (Q1-Q3) | 95 (94–96) | 94 (93–95) | 96 (94–97) | <0.01 |
| Nadir Exertional SpO2: median (Q1-Q3) | 94 (93–96) | 94 (93–95) | 95 (93–96) | 0.08 |
| Highest RR median (Q1-Q3) | 20 (20–24) | 21 (20–24) | 20 (20−22) | 0.79 |
| O2 Dependent at Baseline | 1 (1%) | 0 (0%) | 1 (1%) | – |
| Myocarditis | 0 (0%) | 0 (0%) | 0 (0%) | – |
| Neurologic Changes | 0 (0%) | 0 (0%) | 0 (0%) | – |
| Cancer | 21 (18%) | 8 (19%) | 13 (17%) | 0.94 |
| CKD | 8 (7%) | 4 (10%) | 4 (5%) | 0.59 |
| COPD | 7 (6%) | 4 (10%) | 3 (4%) | 0.39 |
| CAD/CHF | 20 (17%) | 8 (19%) | 12 (15%) | 0.79 |
| Obesity | 56 (47%) | 17 (40%) | 39 (50%) | 0.45 |
| Pregnant | 2 (2%) | 0 (0%) | 2 (3%) | – |
| Sickle Cell Disease | 0 (0%) | 0 (0%) | 0 (0%) | – |
| Current Smoker | 3 (3%) | 1 (1%) | 2 (3%) | – |
| Solid Organ Transplant | 1 (1%) | 0 (0%) | 1 (1%) | – |
| TIIDM | 26 (22%) | 8 (19%) | 18 (23%) | 0.78 |