Table 2.

The 15 most discriminative features (with the largest importance scores)

Parameter	Importance score	Spearman’s (r)	p-value
Hypercholesterolemia	15.96	0.38	< 0.0001
Plaque score L	12.68	0.41	< 0.0001
Plaque score R	10.94	0.38	< 0.0001
Duration of T2DM	10.65	0.32	< 0.0001
Plaque area R	10.00	0.34	< 0.0001
Age	8.60	0.37	< 0.0001
Plaque area L	8.36	0.35	< 0.0001
Betabloker	7.66	0.25	0.0004
T2DM	7.08	0.24	0.0008
Hypertension	6.83	0.24	0.0010
cfPWV	6.64	0.28	< 0.0001
ALT	4.69	–0.15	0.0329
eGFR	3.51	–0.28	< 0.0001
HbA1c	3.19	0.22	0.0025
Obesity	3.17	–0.15	0.0421

We report the two-tailed p-values for nonparametric Spearman correlation to verify if the correlation is due to random sampling (if p < 0.05 this hypothesis can be rejected)

T2DM type 2 diabetes mellitus, cfPWV carotid-femoral pulse wave velocity, ALT alanine aminotransferase, eGFR estimated glomerular filtration rate, HbA1c hemoglobin A1c