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rdim4pns
under
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
in
CHAT variables
[(total number of apneas and hypopneas in non-supine body position associated with >= 3% desaturation) / (hours of sleep)]. will be missing if no time non-supine or low position sensor quality.
rdimnr4p
under
Sleep Monitoring/Polysomnography/Apnea-Hypopnea Indices
in
CHAT variables
[(total number of apneas and hypopneas in non-rapid eye movement sleep associated with >= 4% desaturation) / (hours of non-rapid eye movement sleep (NREM))]