Tests. Data tables by test.

Test	No. of studies	No. of participants
1 All colour duplex ultrasound (CDUS)	42	5691
2 CDUS (unit of analysis: number of individuals)	16	1135
3 Contrast‐enhanced colour duplex ultrasound (CE‐CDUS) (unit of analysis: number of individuals)	11	931
4 CE‐CDUS endoleak types I and III	7	792
5 Subgroup CDUS (unit of analysis: number of individuals)	7	400
6 Subgroup CE‐CDUS (unit of analysis: number of individuals)	7	403
7 CDUS (unit of analysis: number of scans)	18	3689
8 CE‐CDUS (unit of analysis: number of scans)	8	756
9 CDUS (excluding outliers; unit of analysis: number of scans)	16	3041
10 CE‐CDUS (excluding outliers; unit of analysis: number of scans)	7	660