Table 3. Clinical characteristics during PLIS stratified by intensive care unit versus nonintensive care unit.
| Variable | Non-ICU (n = 103) | ICU (n = 190) | P value |
|---|---|---|---|
| Temperature (mean ± SD) (Celsius) | 36.8 (0.5) | 37.1 (0.7) | <0.001 |
| Oxygen saturation % (mean ± SD) | 94.6 (4.5) | 91.4 (4.8) | <0.001 |
| Mean arterial pressure (mean ± SD) (mmHg) | 89.2 (12.9) | 82.3 (34.7) | 0.02 |
| PaO2/FiO2 (median, interquartile range) * | 137.1 (95–212.5) | ___ | |
| White blood count (median, interquartile range) (K/μL) | 6.4 (5–9.5) | 12 (8.2–17.7) | <0.001 |
| Platelets (median, interquartile range) (K/μL) | 207 (162–281.5) | 320 (230–399) | <0.001 |
| Creatinine (median, interquartile range) (mg/dl) | 0.88 (0.74–1.05) | 0.62 (0.49–1.14) | <0.001 |
| Bilirubin (median, interquartile range) (mg/dl) | 0.53 (0.33–0.67) | 0.40 (0.28–0.61) | 0.03 |
| SOFA score (median, interquartile range) | 0 (0–1) | 5 (4–7) | <0.001 |
| AKI stage (median, interquartile range) | 0 (0–0) | 0 (0–1) | <0.001 |
| PLIS A (n, %) | |||
| 0 | 72 (69.9) | 27 (14.2) | <0.001 |
| 1 | 31 (30.1) | 63 (66.2) | |
| 2 | 0 (0) | 100 (34.1) | |
| PLIS B (n, %) | |||
| 0 | 31 (30.1) | 21 (11.1) | <0.001 |
| 1 | 36 (35.0) | 53 (27.9) | |
| 2 | 36 (35.0) | 116 (61.1) | |
| PLIS C (n, %) | |||
| 0 | 56 (54.4) | 44 (23.2) | <0.001 |
| 1 | 34 (33) | 41 (21.6) | |
| 2 | 13 (12.6) | 105 (55.3) | |
| PLIS score (median, interquartile range) | 2 (1–3) | 5 (3–6) | <0.001 |
AKI- Acute Kidney Injury
ICU- Intensive Care Unit
FiO2- Fractional inspired oxygen
PaO2- Partial pressure of oxygen in arterial blood
PLIS- Point of Care Lung Ultrasound Injury Score