I found a channel called "Oximetry Status" in the PSG signal with values 0, 1, 2, but I don't understand what it means. Can anyone help me with this? Thank you very much!
The Nonin 8000J Flex oximeter finger sensor was used and output a plethysomograph signal.
The Compumedics collection software could provide assessment of oximetry quality with a signal called OXSTAT. OXSTAT was calibrated to the oximetry signal and gave 4 levels of signal quality: Good, Marginal, Poor and Off.
The values are as follows: