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. Author manuscript; available in PMC: 2026 Jun 30.
Published in final edited form as: Psychiatry Res Neuroimaging. 2025 Jun 30;351:112021. doi: 10.1016/j.pscychresns.2025.112021

Table 2.

Average regression slope coefficients for the relative theta power, absolute theta power, and total absolute power in the N2 stage of NREM sleep in patients with MDD and controls.

Channel Regression coefficient (slope) p-value (Bonferroni)
Mean of MDD Mean of control Mean difference (MDD-control) 95% confidence
Relative theta power
C3 0.0212 0.0085 0.0127 0.0064 0.0190 0.0005
C4 0.0165 0.0053 0.0111 0.0049 0.0174 0.0003
F3 0.0294 0.0170 0.0124 0.0059 0.0190 0.0002
F4 0.0265 0.0135 0.0131 0.0064 0.0197 0.0001
O1 0.0232 0.0127 0.0105 0.0037 0.0173 0.01
O2 0.0225 0.0144 0.0082 0.0015 0.0148 0.07
Absolute theta power
C3 −0.0292 −0.0389 0.0097 0.0042 0.0152 0.4
C4 −0.0323 −0.0408 0.0085 0.0027 0.0143 0.8
F3 −0.0330 −0.0418 0.0088 0.0033 0.0143 1.0
F3 −0.0365 −0.0452 0.0087 0.0034 0.0140 0.5
O1 −0.0171 −0.0233 0.0062 0.0004 0.0119 1.0
O2 −0.0172 −0.0211 0.0038 −0.0027 0.0103 1.0
Absolute total power
C3 −0.0507 −0.0473 −0.0034 −0.0115 0.0047 1.0
C4 −0.0479 −0.0461 −0.0018 −0.0105 0.0070 1.0
F3 −0.0636 −0.0586 −0.0051 −0.0138 0.0036 1.0
F4 −0.0635 −0.0585 −0.0050 −0.0139 0.0039 1.0
O1 −0.0402 −0.0356 −0.0046 −0.0128 0.0037 1.0
O2 −0.0397 −0.0354 −0.0042 −0.0129 0.0044 1.0