Subgroup Factors |
Numbers of Study |
WMD
(95% CI) |
WMD (95% CI) |
I2 (%) |
P value
|
P for
interaction
|
Study design |
|
|
|
|
|
0.608 |
Multi-center |
4 |
0.763(-3.80,5.32) |
0.763(-3.80,5.32) |
93.7 |
0.036 |
|
Single-center |
6 |
-0.453(-1.32,0.41) |
-0.453(-1.32,0.41) |
0.0 |
0.305 |
|
Follow up |
|
|
|
|
|
0.823 |
<12 |
6 |
-0.95(-2.04,0.13) |
-0.95(-2.04,0.13) |
46.6 |
0.085 |
|
≥12 |
4 |
0.73(-4.90,6.37) |
0.73(-4.90,6.37) |
91.1 |
0.799 |
|
ICE Sample size |
|
|
|
|
|
0.145 |
>100 |
5 |
1.02(-1.96,4.0) |
1.02(-1.96,4.0) |
86.6 |
0.503 |
|
≤100 |
5 |
-1.59(-3.44,0.26) |
-1.59(-3.44,0.26) |
69.3 |
0.092 |
|
Male proportion |
|
|
|
|
|
0.437 |
<70 |
7 |
0.14(-1.96,2.25) |
0.14(-1.96,2.25) |
87.8 |
0.894 |
|
≥70 |
2 |
-1.24(-4.02,1.54) |
-1.24(-4.02,1.54) |
35.0 |
0.381 |
|
Age cutoff |
|
|
|
|
|
0.232 |
≥75 |
5 |
0.85(-2.28,3.98) |
0.85(-2.28,3.98) |
90.4 |
0.594 |
|
<75 |
4 |
-1.25(-2.67,0.17) |
-1.25(-2.67,0.17) |
43.9 |
0.086 |
|
HT proportion |
|
|
|
|
|
0.292 |
<90 |
4 |
-1.49(-2.87,-0.10) |
-1.49(-2.87,-0.10) |
33.5 |
0.035 |
|
≥90 |
2 |
-1.39(-5.54,2.84) |
-1.39(-5.54,2.84) |
87.5 |
0.455 |
|
PAF proportion |
|
|
|
|
|
0.899 |
>50 |
1 |
-0.10(-2.75,2.55) |
-0.10(-2.75,2.55) |
- |
0.941 |
|
≤50 |
4 |
-0.42(-4.54,3.71) |
-0.42(-4.54,3.71) |
91.3 |
0.843 |
|
Devices type |
|
|
|
|
|
0.259 |
Dual-seal mechanism |
3 |
3.02(-1.08,7.12) |
3.02(-1.08,7.12) |
76.8 |
0.482 |
|
Single-seal mechanism |
4 |
-0.87(-2.27,0.52) |
-0.87(-2.27,0.52) |
0.00 |
0.670 |
|
Muti-seal mechanism |
2 |
-3.49(-5.53,1.45) |
-3.49(-5.53,1.45) |
- |
0.115 |
|