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The Egyptian Journal of Neurology, Psychiatry and Neurosurgery

Table 2 Correlations between each of sleep efficiency and rapid eye movement latency percent total sleep time with the hippocampal/entorhinal cortex volumetry and auditory mismatch negativity in progressive amnestic mild cognitive impairment patients

From: Polysomnography, brain volumetry, and mismatch negativity as early biomarkers of amnestic mild cognitive impairment progression

 

Sleep efficiency

REM % of TST

r

p

r

p

Right hippocampus (cm3)

0.884

< 0.0001*

0.861

< 0.0001*

Left hippocampus (cm3)

0.886

< 0.0001*

0.850

< 0.0001*

Right entorhinal cortex (cm3)

0.903

< 0.0001*

0.869

< 0.0001*

Left entorhinal cortex (cm3)

0.912

< 0.0001*

0.864

< 0.0001*

Right MMN latency (ms)

− 0.828

< 0.0001*

− 0.894

< 0.0001*

Left MMN latency (ms)

− 0.827

< 0.0001*

− 0.869

< 0.0001*

Right MMN amplitude (μV)

0.866

< 0.0001*

0.838

< 0.0001*

Left MMN amplitude (μV)

0.872

< 0.0001*

0.844

< 0.0001*

  1. *Significant; MMN mismatch negativity, REM rapid eye movement, TST total sleep time
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