Table 4.

MNI coordinates, cluster size (k), Pearson’s correlation coefficient (r), and T-score of cortical areas with significant correlation between the olfactory function (assessed by the Identification Test score) and cerebral glucose metabolism and between the duration of smell loss and brain metabolism

Covariate of interest	Region	Mini coordinates			Cluster size	Pearson’s r	T-score
		x	y	z
Olfactory function	FEF	30	6	48	87	− 0.97	12.60
	Posterior parietal cortex	− 22	− 54	46	60	− 0.94	8.20
	Orbitofrontal cortex	− 12	68	0	88	− 0.92	7.07
		− 38	54	− 10	61	− 0.92	6.68
Duration of anosmia	MPFC	0	48	46	113	0.96	10.25
		6	32	62	68	0.93	8.08
	DLPFC	38	32	34	143	0.94	8.73
		48	24	18	87	0.90	6.32
	Orbitofrontal cortex	− 28	66	0	50	0.91	6.57
		34	32	− 10	66	0.90	6.44
		− 36	34	− 14	198	0.89	5.97
	Posterior parietal cortex	24	− 66	54	73	0.90	6.25

DLPFC dorso-lateral prefrontal cortex, FEF frontal eye fields, MPFC medial prefrontal cortex