Calibration-free pulse oximetry based on two wavelengths in the infrared - a preliminary study.

Sensors (Basel) · 2014 · PMC4029673 · PMID 24763216

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may be significantno p-value reported

Since the full range of SaO 2 in adults, even including most of the sick patients is 80%–100%, an error of 3%–4% may be significant.

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