This large prospective UK study compared five low-cost fingertip pulse oximeters with arterial blood gas measurements and ...

"Although absolute differences in readings were small, they can result in substantially higher rates of false negatives and ...

A total of 11,018 paired SpO2-SaO2 measurements were analysed. All five pulse oximeters returned higher SpO2 values for patients with darker skin tones than patients with lighter skin tones, at any ...