Table 1.

Clusters of statistically significant differences in grey matter volume between shift-working nurses and day-working nurses.

No	Extent (voxel count)	Brain region	Peak voxel
			t value	p value	Coordinates (x, y, z in mm)
1	1248	Left PostCG	5.0605	<0.0001	−71, −2, 23
2	590	Right PostCG	5.3099	<0.0001	74, −5, 15
3	421	Right PCL	5.9702	<0.0001	12, −56, 83
4	285	Left STG	6.2892	<0.0001	−53, −47, 18

PostCG, postcentral gyrus; PCL, paracentral lobule; and STG, superior temporal gyrus.