Vascular Closure Devices versus Manual Compression in Cardiac Interventional Procedures: Systematic Review and Meta-Analysis
Table 3
Results of meta-regression analysis for outcome indicators.
Variable
Slope coefficient
Standard error
value
value
95% CI
Lower limit
Upper limit
Total vascular complication
Publication year
− 0.0038882
0.0366959
− 0.11
0.916
− 0.0796248
0.0718485
Research country
0.2122738
0.1532003
1.39
0.179
− 0.1039161
0.5284636
Study design
0.1899589
0.3187227
0.6
0.557
− 0.4678523
0.8477701
Operation type
− 0.1619395
0.170639
− 0.95
0.352
− 0.5141212
0.1902422
VCD type
− 0.0748574
0.1508855
− 0.5
0.624
− 0.3862698
0.2365551
Diagnosis or treatment
0.0898802
0.2147782
0.42
0.679
− 0.3534002
0.5331606
Vascular access site
0.0477251
0.2622489
0.18
0.857
− 0.4935301
0.5889803
Major vascular complication
Publication year
0.0134347
0.0294913
0.46
0.653
− 0.0478958
0.0747652
Research country
0.1285218
0.0682783
1.88
0.074
− 0.0134707
0.2705144
Study design
0.0534072
0.1441656
0.37
0.715
− 0.2464016
0.353216
Operation type
− 0.2259866
0.1351589
− 1.67
0.109
− 0.5070649
0.0550916
VCD type
0.0388801
0.1573338
0.25
0.807
− 0.2883134
0.3660736
Diagnosis or treatment
0.2951529
0.2025009
1.46
0.160
− 0.1259707
0.7162765
Vascular access site
− 0.1544536
0.2936646
− 0.53
0.604
− 0.7651627
0.4562555
Bleeding-related complication
Publication year
0.0071636
0.0433535
0.17
0.870
− 0.0825199
0.0968471
Research country
− 0.0502883
0.2334795
− 0.22
0.831
− 0.5332774
0.4327009
Study design
0.3204116
0.1969521
1.63
0.117
− 0.087015
0.7278381
Operation type
− 0.3396131
0.1908548
− 1.78
0.088
− 0.7344263
0.0552
VCD type
− 0.2991253
0.2131044
− 1.4
0.174
− 0.7399653
0.1417147
Diagnosis or treatment
0.1150813
0.2458099
0.47
0.644
− 0.3934151
0.6235778
Vascular access site
− 0.2120466
0.290403
− 0.73
0.473
− 0.8127909
0.3886977
TTH
Publication year
− 0.4921285
0.3435058
− 1.43
0.195
− 1.304391
0.3201336
Research country
− 5.162946
3.383787
− 1.53
0.171
− 13.16433
2.83844
Study design
0.5445317
2.421016
0.22
0.828
− 5.180262
6.269325
Operation type
1.148615
1.776338
0.65
0.538
− 3.051757
5.348986
VCD type
− 4.169431
3.268597
− 1.28
0.243
− 11.89843
3.559573
Diagnosis or treatment
1.495201
2.149798
0.7
0.509
− 3.588264
6.578666
Vascular access site
− 0.6847343
4.187115
− 0.16
0.875
− 10.58569
9.216219
TTA
Publication year
− 0.3388484
0.2746872
− 1.23
0.343
− 1.520732
0.8430351
Research country
− 1.871418
4.513303
− 0.41
0.719
− 21.2906
17.54776
Study design
− 6.795713
1.759985
− 3.86
0.061
− 14.36832
0.7768918
Operation type
− 2.313697
2.0215
− 1.14
0.371
− 11.01151
6.384116
VCD type
− 6.795713
1.759985
− 3.86
0.061
− 14.36832
0.7768922
Diagnosis or treatment
− 2.478133
1.655155
− 1.5
0.273
− 9.599688
4.643422
Vascular access site
2.048284
2.764677
0.74
0.536
− 9.847159
13.94373
TTD
Publication year
0.0616289
0.6462428
0.1
0.939
− 8.149665
8.272922
Research country
− 0.3444556
3.792939
− 0.09
0.942
− 48.53832
47.84941
Study design
− 0.1481234
1.674416
− 0.09
0.944
− 21.4236
21.12736
Operation type
− 10.58069
11.3521
− 0.93
0.522
− 154.8228
133.6614
VCD type
− 4.791256
5.455508
− 0.88
0.541
− 74.11005
64.52754
Diagnosis or treatment
− 9.694279
11.71157
− 0.83
0.560
− 158.5038
139.1153
Vascular access site
1.529658
5.465324
0.28
0.826
− 67.91387
70.97318
Patient-reported outcome
Publication year
− 25.04569
23.21049
− 1.08
0.476
− 319.963
269.8716
VCD type
− 38.13615
38.23929
− 1
0.501
− 524.0125
447.7402
Vascular access site
− 172.319
97.29436
− 1.77
0.327
− 1408.561
1063.923
Stata suggested that colinearity between covariate study design and VCD type. Some covariates were not included in this meta-regression analysis because sensitivity analysis had been performed.