Table 2.

Longitudinal changes^a in MRI characteristics by CKD subgroups

	Non-CKD Subgroup	CKD Subgroup	P-value
Maximum wall thickness changeb	N = 192	N = 131
Baseline maximum wall thickness (mm)	1.9 (1.2, 3.1)	1.7 (1.2, 2.9)	0.38
Follow-up maximum wall thickness (mm)	2.1 (1.2, 3.3)	1.7 (1.2, 3.0)	0.16
Change in maximum wall thickness (mm)	0.03 (−0.14, 0.28)	0.00 (− 0.25, 0.15)	0.085
NC+ plaque present at baselinec	N = 57	N = 39
Baseline NC+ plaque volume (mm3)	17 (10, 30)	15 (10, 34)	0.80
Follow-up NC+ plaque volume (mm3)	18 (10, 36)	14 (5, 25)	0.09
Change in NC+ plaque volume (mm3)	1.0 (−3.8, 6.5)	−2.0 (−8.7, 1.3)	0.043
Ca + plaque present at baseline d	N = 85	N = 62
Baseline Ca + plaque volume (mm3)	10 (5, 22)	12 (6, 20)	0.89
Follow-up Ca + plaque volume (mm3)	14 (6, 29)	11 (6, 19)	0.17
Change in Ca + plaque volume (mm3)	2.4 (−1.5, 6.3)	1.7 (−1.5, 4.2)	0.28

^aResults are presented as median with interquartile range, p-values are by Wilcoxon rank sum test

^bIn those with quantitative maximum wall thickness data at baseline and follow-up (N = 323)

^cIn those with NC+ plaque at baseline (N = 96)

^dIn those with Ca⁺ plaque at baseline (N = 147)