Table 2.

Regional information of changed ALFF in patients with COPD

Areas	Volume (mm3)	Brodmann areas	MNI coordinate			P-value (peak)
			x	y	z
No controlling for SaO2
Bilateral posterior cingulate cortex	1,755	23	−3	−39	24	−4.04
Right lingual gyrus	2,214	18	18	−78	−12	−4.34
Left postcentral gyrus	1,161	3/40	−33	−39	63	4.28
Controlling for SaO2
Left postcentral gyrus	1,539	3/40	−45	−30	54	4.18

Abbreviations: ALFF, amplitude of low-frequency fluctuation; COPD, chronic obstructive pulmonary disease.