Table 1.
Clinical Characteristics of Patients Requiring Interfacility Transport by Lifeline Special Operations Response Team Who Were Positive for Severe Acute Respiratory Syndrome Coronavirus 2 RNA by Polymerase Chain Reaction (N = 268)
| Clinical Characteristics | Mean (95% CI) | Number of Patients (%, 95% CI) |
|---|---|---|
| Age, y | 57.8 (54.9-60.7) | |
| Sex | ||
| Male | 149 (55.6, 49.6-61.5) | |
| Female | 119 (44.4, 38.5-50.4) | |
| Vital signs before transport | ||
| Blood pressure, mm Hg | ||
| Systolic | 124 (121-127) | |
| Diastolic | 70.7 (69.1-72.3) | |
| Heart rate, beats/min | 89.5 (87.3-91.7) | |
| Respiratory rate, breaths/min | 23.2 (22.3-24.1) | |
| Oxygen saturation by pulse oximetry, % | 95.7 (95.2-96.1) | |
| End-tidal carbon dioxide before transporta | 39.6 (37.4-41.9) | |
| Mode of oxygenation | ||
| Room air | 58 (21.6, 17.1-27.0) | |
| Nasal cannula | 77 (28.7, 23.6-34.5) | |
| Air entrainment mask | 1 (0.37, 0.05-2.62) | |
| Tracheostomy mask | 1 (0.37, 0.05-2.62) | |
| Nonrebreather mask | 7 (2.61, 1.25-5.39) | |
| High flow nasal cannula | 14 (5.22, 3.11-8.65) | |
| Noninvasive positive-pressure ventilation | 2 (0.75, 0.19-2.95) | |
| Invasive positive-pressure ventilation | 108 (40.3, 34.6-46.3) | |
| Interventions before transport | ||
| Vasopressor support | 68 (25.4, 20.5-30.9) | |
| Neuromuscular paralysis | 35 (13.1, 9.51-17.7) | |
| Prone positioning | 15 (5.60, 3.39-9.09) | |
| Inhaled nitric oxide | 2 (0.75, 0.19-2.95) |
a
End-tidal carbon dioxide levels were available for 116 patients.