Arterial pO2 by age and sex
How the usual range for arterial pO2 changes with age, as labs print it.
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The usual range at every age
The reference range labs print, for each age group. Ranges differ a little between labs, so the range on your own report is the one your result is judged against.
Use the left and right arrow keys to step through the age groups. Every range is also in the table below.
| Who | Usual range |
|---|---|
| Adults | 75–100 mmHg |
| 75+ | 68 and above mmHg |
Sources: MedlinePlus, National Library of Medicine, South African Family Practice, Medicine International, F1000Research, Penn State Health, Northwell Health Laboratories, Oregon Health & Science University (OHSU) Laboratory, American Journal of Respiratory and Critical Care Medicine