| Biomarkers | Extubation success (n = 5) | Extubation failure (n = 23) | p |
|---|---|---|---|
| sTREM (ng/mg protein), median (IQR) | 1.62 (1.09–2.00) | 1.22 (0.84–2.28) | .697 |
| Alveolar macrophage | |||
| % (Macrophage cells/CD45+, HLA-DR+, CD11b+), median (IQR) | 8.00 (5.10–9.10) | 5.70 (2.70–10.80) | .472 |
| MFI CD169, median (IQR) | 598 (385–888) | 628 (347.50–961.50) | .857 |
| IL-6 (pg/mg protein), mean (±SD) | 253.30 (±134.58) | 393.04 (±315.57) | .346 |
| IL-17 (pg/mg protein), median (IQR) | 10.99 (10.58–11.08) | 5.87 (4.54–8.56) | .051 |
| CD4 (cell/μL), median (IQR) | 37 (32–52) | 23 (13.50–39) | .352 |
| Foxp3+ CD25+/CD4 (%), median (IQR) | 19.13 (13.86–19.23) | 15.49 (12.24–33.18) | .697 |
| Caspase 3 (ng/mg protein), median (IQR) | 0.97 (0.57–1.05) | 0.67 (0.36–1.26) | .881 |
| SP-A (ng/mg protein), median (IQR) | 13.03 (13.00–13.49) | 12.56 (9.79–16.45) | .529 |
MFI: mean fluorescence intensity.