Table 2.

Short‐term DUS results: Comparison of preoperative and 24h postoperative.

	Carotid artery stenting group (n  =  29)						Patch closure group (n  =  65)
					95%CI						95%CI
DUS parameters	MD	SD	t	P‐value	lower	upper	MD	SD	t	P‐value	lower	upper
Proximal ICA
luminal diameter (mm)	‐1.38	1.63	‐4.32	0.00*	‐1.96	‐0.70	‐3.32	2.32	‐10.42	0.00*	‐3.97	‐2.68
PSV (cm/s)	173.00	110.17	8.30	0.00*	130.27	215.72	216.75	124.38	13.61	0.00*	184.89	248.60
EDV (cm/s)	75.23	0.05	5.46	0.00*	47.61	102.84	128.74	72.23	2.74	0.00*	34.99	222.48
Distal ICA
luminal diameter (mm)	‐0.07	0.41	‐0.93	0.35	‐0.20	‐0.08	‐0.16	0.76	‐1.63	0.10	‐0.35	‐0.03
PSV (cm/s)	8.14	31.23	1.37	0.17	‐3.96	20.25	5.27	7.37	1.34	0.18	‐2.41	12.95
EDV (cm/s)	0.35	7.69	‐0.24	0.80	‐3.34	2.62	‐0.68	13.52	‐0.38	0.69	‐4.21	2.84
CCA
luminal diameter (mm)	0.11	0.55	1.10	0.28	‐0.09	0.32	‐0.05	1.09	‐0.36	0.71	‐0.32	0.22
PSV (cm/s)	10.96	45.98	1.28	0.21	‐6.52	28.45	‐2.09	25.35	‐0.65	0.51	‐8.48	4.29
EDV (cm/s)	11.91	32.53	2.17	0.03†	0.96	22.85	‐2.20	21.58	‐0.81	0.41	‐7.59	3.18

CCA, common carotid artery; CI, confidence interval; DUS, duplex ultrasound; EDV, end‐diastolic velocity; ICA, internal carotid artery; MD, mean difference; PSV, peak systolic velocity; SD, standard deviation; t, value of the paired t‐test.

^*, highly significant;

^†, significant.