Final answer:
The interpretation of decreasing oxygen saturation levels over time as an indication of respiratory distress in a COVID-19 patient demonstrates knowledge in healthcare.
Step-by-step explanation:
Hourly oxygen saturations provide important information about a patient's respiratory status. In this case, the patient's decreasing oxygen saturation levels over time indicate respiratory distress, which could be related to their COVID-19 diagnosis. This interpretation of the data based on the patient's diagnosis demonstrates knowledge in healthcare.