[Retracted] Diagnostic Performance of Atherosclerotic Carotid Plaque Neovascularization with Contrast-Enhanced Ultrasound: A Meta-Analysis

Table 1

Characteristics of the included studies.

Study	Country	Language	Disease	No. participants	Gender (M/F)	Age	Reference standard	TP	FP	FN	TN
[22]	USA	English	Arterial stenosis (≥50%)	17	10/7	/	Pathology	5	2	2	8
[24]	China	English	Ischemic attack and/or cerebrovascular ischemic stroke	104	83/21		Pathology	36	14	13	41
[16]	China	English	Ischemic stroke	176	100/76		Clinic diagnosis	56	22	12	86
[19]	UK	English	Arterial stenosis (>30%)	37	27/10		Clinic diagnosis	12	3	4	18
[25]	China	English	Arterial stenosis (≥50%)	46	43/3		Clinic diagnosis	15	15	2	14
[17]	Italy	English	Arterial stenosis (≥70%)	50	28/22		Pathology	32	5	2	11
[23]	China	English	Carotid atherosclerotic plaques	93	78/15	62.5 (50, 91)	Pathology	28	22	5	38
[21]	China	English	Acute coronary syndrome and stable coronary artery disease	120	39/21		Pathology	36	9	9	66
[18]	China	English	Arterial stenosis (≥60%)	131	/	/	Pathology	56	7	12	24
[20]	China	English	Ischemic stroke	51	43/8	67.0 ± 6.5	Pathology	21	2	2	26

TP: true positive; FP: false positive; FN: false negative; TN: true negative.