Table 2.
Blood gas analysis and ORI data
| Number of data analyzed | Mean (standard deviation) or number (%) | |
|---|---|---|
| Pulse oximetry (%) | 712 | 97 (2) |
| Oxygen Reserve Index (no units) | 698 | 0.08 (0.25) |
| Number of Oxygen Reserve Index measurements > 0 | 698 | 99 (14) |
| Perfusion index (no units) | 682 | 2.9 (1.8) |
| pH (no units) | 716 | 7.45 (0.04) |
| PaO2 (mmHg) | 714 | 96 (23) |
| PaCO2 (mmHg) | 715 | 38 (5) |
| Hemoglobin (g/dl) | 699 | 11.0 (1.7) |
| Number of PaO2 measurements > 100mHg | 714 | 244 (34) |
Data are expressed as mean (standard deviation)
PaO2 partial pressure of oxygen
PaCO2 partial pressure of carbon dioxide