Table 1 Baseline characteristics of patients, vital signs, and laboratory results at admission
From: Lung ultrasound score predicts outcomes in COVID-19 patients admitted to the emergency department
Characteristic (N = 180) | Median (IQR) or N (%) |
|---|---|
Age (y) | 60 (49–70) |
Sex | |
Female | 75 (42%) |
Male | 105 (58%) |
Comorbidities | |
Hypertension | 98 (55%) |
Diabetes | 69 (39%) |
Congestive heart failure | 25 (14%) |
Chronic respiratory disease | 15 (8%) |
Chronic and end-stage renal disease | 11 (6%) |
Duration of symptoms before hospital admission (days) | 7 (5–10) |
Oxygen saturation < 93%b | 78 (43%) |
Oxygen saturation—Median (IQR) | 93 (90–96) |
Received supplemental oxygen at triage | 136 (76%) |
Type of supplemental oxygen | |
Nasal cannula | 53 (30%) |
Nasal cannula oxygen flow | 2.8 ± 1.4 L O2/min |
Venturi mask (FiO2 = 50%) | 1 (1%) |
Nonrebreather mask | 35 (19%) |
Nonrebreather mask oxygen flow | 11.9 ± 3.5 L O2/min |
Mechanical ventilation | 47 (27%) |
Mechanical ventilation FiO2 | 86.5 ± 21.8% |
Respiratory rate > 24 breaths/minb | 91 (51%) |
Respiratory rate—median (IQR) | 25 (20–30) |
Heart rate > 100 beats/min | 53 (29%) |
Heart rate—median (IQR) | 92 (80–103) |
PaO2/FiO2 on admission, median (IQR) | 120 (64–230) |
LUSa | 18.7 ± 6.8 |