Table 2.

Correlation of morphological features with eGFR.

Features	Total (n = 257)		Patients without Diabetes (n = 161)		Patients with Diabetes (n = 96)
	r	p-Value	r	p-Value	r	p-Value
Surface-area-to-volume ratio	−0.747	<0.0001	−0.779	<0.0001	−0.702	<0.0001
Mesh volume	0.686	<0.0001	0.684	<0.0001	0.717	<0.0001
Voxel volume	0.686	<0.0001	0.684	<0.0001	0.712	<0.0001
Minor axis length	0.652	<0.0001	0.672	<0.0001	0.637	<0.0001
Maximum 3D diameter	0.603	<0.0001	0.629	<0.0001	0.593	<0.0001
Maximum 2D diameter (coronal view)	0.605	<0.0001	0.634	<0.0001	0.566	<0.0001
Maximum 2D diameter (axial view)	0.586	<0.0001	0.593	<0.0001	0.603	<0.0001
Maximum 2D diameter (sagittal view)	0.584	<0.0001	0.612	<0.0001	0.58	<0.0001
Surface area	0.583	<0.0001	0.58	<0.0001	0.629	<0.0001
Major axis length	0.551	<0.0001	0.561	<0.0001	0.564	<0.0001
Least axis length	0.454	<0.0001	0.461	<0.0001	0.515	<0.0001
Compactness2	0.439	<0.0001	0.486	<0.0001	0.336	<0.0001
Compactness1	0.437	<0.0001	0.484	<0.0001	0.336	<0.0001
Sphericity	0.435	<0.0001	0.482	<0.0001	0.335	<0.0001
Spherical disproportion	−0.426	<0.0001	−0.471	<0.0001	−0.33	<0.0001
Elongation	0.129	0.039	0.157	0.047	0.076	0.463
Flatness	−0.117	0.062	−0.126	0.112	−0.077	0.456