Table 4.

Comparison of Indexed Volume for Coronary Plaque Subtypes and CAC Score Stratified by the Exercise Intensity Groups

	No Exercise (n=75)	Moderate Intensity (n=89)	High Intensity (n=106)	ANOVA P Value	P Value No Exercise vs High Intensity
Plaque subtypesa
Fatty plaque	9.6 [5.5, 14.1]	8.0 [4.3, 13.1]	9.6 [5.6, 14.2]	0.42	0.88
Fibrous plaque	16.0 [9.4, 23.9]	15.0 [8.9, 22.4]	17.6 [17.6, 25.2]	0.29	0.59
Noncalcified plaque	25.3 [15.0, 37.2]	22.4 [15.0, 35.3]	27.4 [15.0, 47.5]	0.36	0.69
Total plaque	30.2 [18.1, 43.8]	27.3 [15.8, 41.8]	33.3 [18.6, 46.2]	0.32	0.75
CACb	356.9 [83.6, 978.0]	455.2 [170.2, 984.6]	516.6 [142.0, 1350.6]	0.28	0.46

Data presented as median [interquartile range]. CAC indicates coronary artery calcium score.

^aPlaque volume expressed as mm³ divided by artery segment length (mm).

^bCAC score using Agatston technique and expressed in Agatston units.