Table 5. Cox regression analysis for the risk of NVE.

	HR 95% CI	P
Basal EPC quartiles		0.003
Basal EPC Q1	10.33 (1.22–87.34)	0.032
Basal EPC Q2	1.43 (0.17–17.48)	0.778
Basal EPC Q3	0.67 (0.03–11.48)	0.786
IMT > 0.9	4.12 (1.21–13.95)	0.023
Age	1.05 (0.98–1.12)	0.118

EPC = Endothelial progenitor cells

IMT = Intima-media thickness.