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Table 6 Correlation between relative EEG spectral power and SOD of TST

From: Sleep EEG characteristics associated with total sleep time misperception in young adults: an exploratory study

Variables SOD of TST
r P
Frontal derivation
 Delta (1–4 Hz) − 0.248 0.092
 Theta (4–8 Hz 0.127 0.397
 Alpha (8–12 Hz) 0.158 0.290
 Sigma (8–12 Hz) 0.124 0.405
 Beta (16–32 Hz) 0.313 0.032
 Beta/Delta 0.363 0.012
 Beta/Theta 0.208 0.161
 Alpha/Delta 0.173 0.245
 Alpha/Theta 0.182 0.221
Central derivation
 Delta (1–4 Hz) − 0.268 0.069
 Theta (4–8 Hz − 0.072 0.631
 Alpha (8–12 Hz) 0.247 0.094
 Sigma (8–12 Hz) 0.207 0.163
 Beta (16–32 Hz) 0.232 0.116
 Beta/Delta 0.249 0.091
 Beta/Theta 0.1888 0.205
 Alpha/Delta 0.256 0.082
 Alpha/Theta 0.169 0.257
  1. SOD: Subjective–objective sleep discrepancy; TST: total sleep time