Table 1.
Patient characteristics.
| Patient | Age | Sex | Indication for MV | SAPSP2 | Ramsay | PaO2a/PaCO2 | DVAS | MV-RDOS | PIPS | Riemann | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| scale | Pre | Post | Pre | Post | Pre | Post | AUC | ||||||
| 1 | 65 | M | De novo acute RF | 94 | 2 | 137/31 | 3 | 0 | NA | NA | + | − | 0.47 |
| 2 | 50 | F | De novo acute RF | 23 | 3 | 245/33.1 | 4 | 0 | NA | NA | + | + | 0.97 |
| 3 | 87 | M | Peritonitis | 75 | 2 | 69.9/29.5 | 1 | 1 | NA | NA | + | + | 0.90 |
| 4 | 74 | M | De novo ARFacute RF | 75 | 2 | 67.1/41.5 | 3 | 0 | NA | NA | + | − | 0.94 |
| 5 | 37 | F | Acute kidney injury | 39 | 2 | 69/42 | 3 | 1 | NA | NA | + | + | 0.96 |
| 6 | 76 | M | De novo acute RF | NK | 3 | NK | 2 | 0 | NA | NA | + | − | 1.00 |
| 7 | 62 | M | Acute pancreatitis | 44 | 3 | 78/48 | 5 | 1 | NA | NA | + | − | 0.59 |
| 8 | 48 | M | Acute or chronic RF | 24 | 2 | 85/42 | 2 | 0 | NA | NA | + | − | 0.88 |
| 9 | 50 | M | Peritonitis | 60 | 2 | 70/43 | 2 | 0 | NA | NA | − | − | 0.92 |
| 10 | 78 | F | Acute or chronic RF | 28 | 4 | NK | NA | NA | 2.9 | 1.9 | + | Attenuated | 0.70 |
| 11 | 68 | M | Sepsis | 106 | 4 | NK | NA | NA | 2.9 | 1.8 | + | Attenuated | 0.54 |
| 12 | 49 | M | Acute pancreatitis | 47 | 4 | NK | NA | NA | 2.7 | 2.3 | + | − | 0.36 |
| Median | 45 | 2.5 | 3 | 0 | 0.89 | ||||||||
| IQR | 38–60 | 2–3.5 | 2.5–4 | 0–1 | 0.58–0.94 | ||||||||
aFiO2 35–50%. RF, respiratory failure; IQR, inter-quartile range; SAPSP2, Simplified Acute Physiology Score, Pa, partial pressure; DVAS, dyspnoea visual analogue scale; MV-DOS mechanical ventilation respiratory distress observation scale; PIPS, peak inspiratory potentials; AUC, area under the curve; NK, not known; NA, not applicable.