Table 2:

Results of meta-analysis^{^a}

	Overall	DED	SPED	Intergroup Heterogeneity
Efficacy outcomes
Technical success	99.6% (98.6%–99.8%) I² = 33.0% P = .165	100% (99.2%–100%) I² = 0.00% P = .487	99.2% (97.2%–100%) I² = 54.4% P = .087	P = .165
Aneurysm occlusion rate (6 mo)	80.5%^{^b} (74.5%–86.0%) I² = 70.8% P = .000	78.9% (74.3%–83.1%) I² = 0.00% P = .559	82.7%^{^b} (73.4%–90.4%) I² = 75.3% P = .000	P = .420
Aneurysm occlusion rate (12 mo)	85.6% (80.6%–90.0%) I² = 0.00% P = .744	87.8% (80.9%–93.5%) NA	83.2% (75.8%–89.6%) NA	P = .329
Safety outcomes
Mortality rate	1.0% (0.3%–1.9%) I² = 0.00% P = .608	1.3% (0.2%–3.1%) I² = 5.47% P = .366	0.8% (0.1%–1.9%) I² = 0.00% P = .675	P = .410
Morbidity rate	6.0% (4.5%–7.7%) I² = 0.00% P = .857	6.3% (3.9%–9.1%) I² = 0.00% P = .618	5.8% (3.9%–8.1%) I² = 0.00% P = .710	P = .725
Total ischemia rate	6.7%^{^b} (4.1%–10.1%) I² = 61.9% P = .010	8.3%^{^b} (2.9%–15.7%) I² = 75.1% P = .007	6.3% (3.2%–10.2%) I² = 50.1% P = .111	P = .548
Serious ischemia rate	1.8% (0.8%–3.0%) I² = 12.1% P = .335	2.5% (1.0%–4.6%) I² = 0.00% P = .685	1.2% (0.1%–3.2%) I² = 37.0% P = .190	P = .240

Note:—NA indicates not applicable.
↵a Table shows pooled point estimate, 95% confidence intervals, heterogeneity (I² statistic and P value for the Cochrane Q test) and intergroup heterogeneity for all outcomes of the meta-analysis.
↵b Significant heterogeneity.