Table 2. Subgroup analysis for prevalence of Type II endoleak.

Study subgroup	No. of studies	Total no. of participants	Pooled prevalence	95% CI	I2
Total	45	36588	0.22	0.19–0.25	98.0
Year of the study
2001–2010	18	13929	0.13	0.11–0.16	95.1
2011–2016	27	22659	0.27	0.24–0.31	97.5
Study setting
Prospective	10	15966	0.18	0.15–0.21	96.1
Retrospective	35	20622	0.23	0.19–0.27	98.3
Surveillance test
CTA	40	31672	0.21	0.19–0.24	97.6
Others	5	4916	0.24	0.14–0.34	98.4