Table 2.

Model Performance for arterial stiffness progression

Models	AUC (95% CI)	NRI(95% CI)	p value	IDI (95% CI)	p value
Outcome 1: Increase in/persistently high baPWV
Age + MAP	0.73 (0.70–0.77)	–	–	–	–
Age + MAP + LogTG	0.74 (0.71–0.78)	22.9% (7.8–37.9%)	0.003	1.1% (0.4–1.9%)	0.004
Age + MAP + LogTG/HDL-C	0.74 (0.71–0.78)	22.2% (7.0–37.4%)	0.004	1.2% (0.4–2.0%)	0.003
Outcome 2: Incident elevated baPWV
Age + MAP	0.74 (0.69–0.79)	–	–	–	–
Age + MAP + LogTG	0.75 (0.70–0.81)	40.7% (18.8–62.6%)	< 0.001	1.4% (0.1–2.6%)	0.03
Age + MAP + LogTG/HDL-C	0.75 (0.70–0.80)	32.1% (10.1–54.1%)	0.004	1.1% (0.0–2.2%)	0.06

AUC area under the receiver operating curve, NRI net reclassification improvement, IDI integrated discrimination improvement, MAP mean arterial pressure, TG triglyceride, HDL-C high-density lipoprotein cholesterol