Table 1.
Outcomes in the subgroups of PP patients who tolerated PP for >1 hour and those who were unable to (PP ≤ 1 h). The laboratory results refer to the time of first review by the Critical Care Outreach Team.
| Variables | PP ≤ 1h (n = 12) | PP > 1 h (n = 34) | |
|---|---|---|---|
| Age | 56 (30–79) | 56 (22–77) | p = 0.972 |
| SAPS (median, IQR) | 27 (12–38) | 25 (12–33) | p = 0.088 |
| CFS (median, IQR) | 2 (1–5) | 2 (1–4) | p = 0.084 |
| S/F ratio | |||
| – Pre | 146 (89–163) | 140 (92–249) | p = 0.666 |
| – During | 176 (135–248) | 185 (118–286) | p = 0.376 |
| – Post | 172 (118–277) | 189 (116–330) | p = 0.274 |
| Laboratory results (median, IQR) | |||
| – CRP mg/L | 176 (32–280) | 147 (41–324) | p = 0.630 |
| – Ferritin ng/mL | 7551 (489–28899) | 2373 (194–20357) | p = 0.087 |
| – D-dimer µg/mL | 16.3 (0.3–80) | 2.2 (0.4–16.2) | p = 0.213 |
| – Creatinine umol/L | 74 (40–165) | 70 (38–403) | p = 0.170 |
| ICU admission (number, %) | 10 (83) | 14 (41) | p = 0.011a |
| Intubation (number, %) | 10 (83) | 10 (29) | p = 0.001a |
| – ≤ 24 h | 0 | 2 (9) | p = 0.002a |
| ICU LOS (median, IQR) | 13 (5–26) | 5 (3–18) | p = 0.016a |
| Hospital LOS (median, IQR | 18 (6–34) | 13 (2–25) | p = 0.102 |
| 90-day mortality (number, %) | 5 (42) | 9 (26) | p = 0.325 |
CFS: Clinical Frailty Score; CRP: C-reactive protein; LOS: length of stay; SAPS II: Simplified Acute Physiology Score II; PP: prone position.
aStatistically significant.