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Correlations between left CAU and PreCG ALFF values and AIS score and Neu#.
(A) ALFF values in the left CAU showed a positive correlation with AIS score. (B) ALFF values in the left PreCG showed a positive correlation with Neu#. AIS: Athens Insomnia Scale; ALFF: amplitude of low-frequency fluctuation; CAU: caudate; COVID-19: coronavirus disease 2019; L: left; Neu#: neutrophil count; PreCG: precentral gyrus.
