3.2.2 Pooled rate of procedural success in ICE group
A total of 20 eligible studies (1,564 patients undergoing LAAO with ICE
procedural guidance) reported the rate of procedural success in ICE
Group[6-15] . The pooled rate of procedural
success was 0.99 (95% CI: 0.98–1.0; P = 0.02; I² = 43.69%) with
the random-effect model (Figure 4 ). Meanwhile we performed a
subgroup analysis with eight subgroup factors for procedural success in
ICE group, and the results are shown in Table 2 . Overall, the
pooled rate of procedural success in ICE Group does not differ
significantly between subgroups.
Also, sensitivity analysis showed that no significant change was
detected in the overall combined proportion, ranging from 0.98 (95% CI:
0.97, 0.99) to 0.99 (95% CI: 0.98,1.00), indicating that no single
study dominated the combined proportion and heterogeneity. Moreover,
Egger’s test was performed and result showed no publication bias
(P =0.068). which indicated that the results were considered to be
robust.