nominally significantp = 0.0472
SCZ-PGS was not associated with slow spindle density (all p > 0.493), or slow spindle duration (all p > 0.135), and showed a nominally significant negative association with slow spindle amplitude at one PT (PT = 0.001, R 2 = 0.0283, p = 0.0472; Supplementary Tables S4–6)).