avg_orp_last120m_nrem avg_orp_n2
Name
avg_orp_n1
Label
Average ORP During N1
Description

Average Odds Ratio Product (ORP) in all 30-s epochs during manually scored sleep stages.

ORP is a continuous index of sleep depth and wake propensity. A value of 0 indicates very deep sleep, a value of 2.5 indicates full wakefulness.

Search for all EEG variables within this dataset

Type
numeric
Tags
eeg_shhs
Sleep Heart Health Study (SHHS) Visit Number vs Average ORP During N1
N Mean StdDev Median Min Max Unknown Total
Visit 1 5,645 1.5 ± 0.3 1.5 0.01 2.5 463 6,108
Interim Follow-up Visit - - - - - - - -
Visit 2 - - - - - - - -
CVD Outcomes - - - - - - - -
Gender of the participant vs Average ORP During N1
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 5,642 1.5 ± 0.3 1.5 0.5 2.5 140 5,782
Male 2,690 1.5 ± 0.3 1.5 0.5 2.5 64 2,754
Female 2,952 1.5 ± 0.3 1.5 0.6 2.4 76 3,028
Race of the participant vs Average ORP During N1
Visit 1
N Mean StdDev Median Min Max Unknown Total
Total 5,642 1.5 ± 0.3 1.5 0.5 2.5 140 5,782
White 4,784 1.5 ± 0.3 1.5 0.5 2.5 106 4,890
Black 858 1.5 ± 0.3 1.5 0.6 2.4 34 892
Other - - - - - - - -