Ranges, mean, SD, median and IQR values for SpO2 (%) where measurements were made with the patient receiving air for age ≥18 years (n=37 299) from Smith et al19
| Age (years) | n | SpO2 | |||||
|---|---|---|---|---|---|---|---|
| Minimum | Maximum | Mean | SD | Median | IQR | ||
| 18–24 | 1663 | 80 | 100 | 98.0 | 1.8 | 98 | 97–99 |
| 25–34 | 2239 | 82 | 100 | 97.6 | 1.9 | 98 | 97–99 |
| 35–44 | 3412 | 73 | 100 | 97.2 | 2.1 | 98 | 96–99 |
| 45–54 | 4103 | 76 | 100 | 96.8 | 2.2 | 97 | 96–98 |
| 55–64 | 5020 | 72 | 100 | 96.3 | 2.5 | 97 | 95–98 |
| ≥65 | 20 862 | 70 | 100 | 95.8 | 2.7 | 96 | 95–98 |
SpO2, arterial oxygen saturation measured by pulse oximetry.