Table 3

Progression in Vascular Calcification Over 6 Months by Baseline (Zero vs. Nonzero) Calcium Score and Volume

Zero at BaselineNonzero at Baselinep Value
n (%)Median Absolute Changen (%)Median Absolute Change
Calcium scores (AU)
 Ascending aorta71 (89)0 (0 to 0)9 (11)0 (−10 to 29)0.900
 Aortic arch29 (30)0 (0 to 0)69 (70)13 (−15 to 138)0.055
 Coronary arteries11 (34)0 (0 to 0)21 (66)10 (−5 to 68)0.414
 Left carotid39 (38)0 (0 to 0)64 (62)0 (−11 to 21)0.774
 Right carotid43 (42)0 (0 to 0)59 (58)5 (−2 to 23)0.029
 Total carotid arteries28 (27)0 (0 to 0)74 (73)3 (−5 to 33)0.249
Calcium volumes, mm3
 Ascending aorta71 (89)0 (0 to 0)9 (11)3 (−11 to 9)0.536
 Aortic arch29 (30)0 (0 to 0)69 (70)14 (−35 to 121)0.356
 Coronary arteries11 (34)0 (0 to 0)21 (66)6 (−17 to 187)0.648
 Left carotid39 (38)0 (0 to 0)64 (62)4 (−8 to 23)0.995
 Right carotid43 (42)0 (0 to 0)59 (58)8 (−3 to 34)0.006
 Total carotid arteries280 (0 to 0)7410 (−8 to 31)0.225

Values are n (%) and median (interquartile range).

AU = Agatston units.

  • p values are 2-sided after square root transformation.