Parameter | Descending PEEP titration steps | ||||||
---|---|---|---|---|---|---|---|
PEEPappl (cmH2O) | 27.1 (25.3–27.7) | 21.0 (19.8–22.1) | 16.3 (15.6–17.2) | 12.3 (12–13.1) | 8.4 (7.7–9.2) | 6.2 (5.9–6.9) | 0.8 (0.5–1.7) |
Slice mass (g) | Â | Â | Â | Â | Â | Â | Â |
   Exp | 4.8 (3.0–5.1) | 4.9 (3.2–5.1) | 5.3 (3.5–5.8) | 6.0 (4.0–6.3) | 6.7 (4.5–7.9) | 7.4 (4.9–9.2) | 8.6 (6.4–10.2) |
   Ins | 4.4 (2.9–4.8) | 4.6 (3.1–5.2) | 4.9 (3.2–5.4) | 5.5 (3.4–7.0) | 6.2 (3.9–7.0) | 6.6 (4.3–8.3) | 7.5 (5.1–9.1) |
Hyperinflated (g) | Â | Â | Â | Â | Â | Â | Â |
   Exp | 0.06 (0.02–0.12) | 0.06 (0.01–0.1) | 0.04 (0.01–0.08) | 0.03 (0.00–0.05) | 0.02 (0.00–0.06) | 0.01 (0.00–0.03) | 0.00 (0.00–0.00) |
   Ins | 0.087 (0.03–0.15) | 0.07 (0.03–0.12) | 0.05 (0.02–0.10) | 0.03 (0.01–0.07) | 0.03 (0.01–0.06) | 0.03 (0.01–0.06) | 0.01 (0.00–0.04) |
Normally (g) | Â | Â | Â | Â | Â | Â | Â |
   Exp | 2.7 (1.9–3.2) | 2.8 (2.1–3.4) | 2.61 (2.2–3.1) | 2.16 (1.8–2.5) | 1.79 (1.4–2.1) | 1.59 (1.2–1.9) | 0.83 (0.5–1.4) |
   Ins | 2.67 (1.9–3.14) | 2.69 (2.0–3.3) | 2.73 (2.1–3.2) | 2.30 (1.9–2.5) | 1.89 (1.6–2.3) | 1.70 (1.4–2.0) | 1.15 (0.9–1.3) |
Poorly (g) | Â | Â | Â | Â | Â | Â | Â |
   Exp | 1.4 (0.8–1.7) | 1.3 (0.9–1.9) | 2.0 (1.0–2.4) | 2.7 (1.5–3.1) | 2.5 (1.5–3.0) | 2.3 (1.8–2.8) | 2.3 (2.0–2.9) |
   Ins | 1.0 (0.8–1.5) | 1.3 (0.8–1.6) | 1.5 (0.9–1.8) | 2.1 (1.1–2.4) | 2.0 (1.3–2.5) | 1.9 (1.2–2.4) | 2.0 (1.6–3.0) |
Non-aerated (g) | Â | Â | Â | Â | Â | Â | Â |
   Exp | 0.3 (0.2–0.4) | 0.3 (0.2–0.7) | 0.4 (0.2–0.9) | 0.9 (0.3–1.5) | 2.3 (0.8–3.5) | 3.5 (1.1–5.3) | 5.6 (3.2–7.3) |
   Ins | 0.3 (0.1–0.6) | 0.3 (0.2–0.8) | 0.5 (0.2–0.8) | 0.8 (0.3–2.8) | 2.3 (0.6–2.8) | 3.0 (1.0–4.5) | 3.8 (2.2–6.2) |