Table 1.
Power storage (PS) system – oxygen concentration output at maximum flow (5 L/min), and availability of oxygen for clinical care
| Outcome measured | Number/proportion | |
|---|---|---|
|
Oxygen concentration |
Recordings (No.) |
56 |
| Oxygen concentration output, Median (range) |
92.5% (82.2-95.4) |
|
| Proportion of recordings ≥82% ± 3% concentration |
100% |
|
|
Availability of oxygen to patients: | ||
| Pulse oximetry readings (No.) |
12863 |
|
| Pulse oximetry readings <90% SpO2 (No.) |
1156 |
|
| Pulse oximetry readings <90% for which oxygen was available, No. (%)* | 1156 (100%) | |
SpO2 – peripheral capillary oxygen saturation
*Target 90%.