Table 2.
Oxygenation and haemoglobin values from the first five sequential arterial blood gas samples
| ABG number | Median FIO2 (IQR) | Median PaO2 in kPa (IQR) | Median P:F ratio in kPa (IQR) | Median haemoglobin concentration g/l (IQR) |
|---|---|---|---|---|
| 1 (n = 378) | 0.5 (0.45–0.59) | 24.5 (16.7–32.6) | 51.2 (36.9–66.0) | 113 (100–126) |
| 2 (n = 227) | 0.49 (0.4–0.54) | 23.4 (17.4–29.5) | 50.6 (38.1–62.9) | 111 (100–124) |
| 3 (n = 116) | 0.46 (0.4–0.51) | 25.7 (19.6–29.2) | 54.5 (43.3–65.2) | 108 (99–119) |
| 4 (n = 51) | 0.47 (0.4–0.5) | 25.4 (20.7–30.8) | 57.2 (43.9–71.1) | 111 (93–153) |
| 5 (n = 24) | 0.49 (0.3–0.51) | 26.3 (23.4–29.3) | 58.6 (45.3–66.7) | 99 (93–116) |