Table 1.
Summary of patient characteristics.
| Variable | Range | |
|---|---|---|
| Sex (male), n (%) | 45 (51%) | NA |
| Received vasopressors, n (%) | 40 (45%) | NA |
| Positive blood culture in ED, n (%) | 29 (33%) | NA |
| Age (years), mean | 57.5 | 19-89 |
| pH mean (SD) | 7.35 (0.15) | 6.64-7.65 |
| PaCO2 (mmHg), mean (SD) | 33.7 (12.04) | 12-72 |
| PaO2 (mmHg), mean (SD) | 106 (77) | 43-465 |
| SaO2 (%), mean (SD) | 91.2 (5.74) | 71-98 |
| SpO2 (%), mean (SD) | 93.9 (4.82) | 78-100 |
| Lactate (mmol/L), mean (SD) | 3.21 (2.46) | 0.6-16 |
| Hemoglobin (g/L), mean (SD) | 132 (24) | 66-190 |
| Admitting APACHE II score, mean (SD) | 20 (10) | 3-40 |