Research Article

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.

VariableSlope coefficientStandard error value value95% CI
Lower limitUpper limit

Total vascular complication
 Publication year− 0.00388820.0366959− 0.110.916− 0.07962480.0718485
 Research country0.21227380.15320031.390.179− 0.10391610.5284636
 Study design0.18995890.31872270.60.557− 0.46785230.8477701
 Operation type− 0.16193950.170639− 0.950.352− 0.51412120.1902422
 VCD type− 0.07485740.1508855− 0.50.624− 0.38626980.2365551
 Diagnosis or treatment0.08988020.21477820.420.679− 0.35340020.5331606
 Vascular access site0.04772510.26224890.180.857− 0.49353010.5889803
Major vascular complication
 Publication year0.01343470.02949130.460.653− 0.04789580.0747652
 Research country0.12852180.06827831.880.074− 0.01347070.2705144
 Study design0.05340720.14416560.370.715− 0.24640160.353216
 Operation type− 0.22598660.1351589− 1.670.109− 0.50706490.0550916
 VCD type0.03888010.15733380.250.807− 0.28831340.3660736
 Diagnosis or treatment0.29515290.20250091.460.160− 0.12597070.7162765
 Vascular access site− 0.15445360.2936646− 0.530.604− 0.76516270.4562555
Bleeding-related complication
 Publication year0.00716360.04335350.170.870− 0.08251990.0968471
 Research country− 0.05028830.2334795− 0.220.831− 0.53327740.4327009
 Study design0.32041160.19695211.630.117− 0.0870150.7278381
 Operation type− 0.33961310.1908548− 1.780.088− 0.73442630.0552
 VCD type− 0.29912530.2131044− 1.40.174− 0.73996530.1417147
 Diagnosis or treatment0.11508130.24580990.470.644− 0.39341510.6235778
 Vascular access site− 0.21204660.290403− 0.730.473− 0.81279090.3886977
TTH
 Publication year− 0.49212850.3435058− 1.430.195− 1.3043910.3201336
 Research country− 5.1629463.383787− 1.530.171− 13.164332.83844
 Study design0.54453172.4210160.220.828− 5.1802626.269325
 Operation type1.1486151.7763380.650.538− 3.0517575.348986
 VCD type− 4.1694313.268597− 1.280.243− 11.898433.559573
 Diagnosis or treatment1.4952012.1497980.70.509− 3.5882646.578666
 Vascular access site− 0.68473434.187115− 0.160.875− 10.585699.216219
TTA
 Publication year− 0.33884840.2746872− 1.230.343− 1.5207320.8430351
 Research country− 1.8714184.513303− 0.410.719− 21.290617.54776
 Study design− 6.7957131.759985− 3.860.061− 14.368320.7768918
 Operation type− 2.3136972.0215− 1.140.371− 11.011516.384116
 VCD type− 6.7957131.759985− 3.860.061− 14.368320.7768922
 Diagnosis or treatment− 2.4781331.655155− 1.50.273− 9.5996884.643422
 Vascular access site2.0482842.7646770.740.536− 9.84715913.94373
TTD
 Publication year0.06162890.64624280.10.939− 8.1496658.272922
 Research country− 0.34445563.792939− 0.090.942− 48.5383247.84941
 Study design− 0.14812341.674416− 0.090.944− 21.423621.12736
 Operation type− 10.5806911.3521− 0.930.522− 154.8228133.6614
 VCD type− 4.7912565.455508− 0.880.541− 74.1100564.52754
 Diagnosis or treatment− 9.69427911.71157− 0.830.560− 158.5038139.1153
 Vascular access site1.5296585.4653240.280.826− 67.9138770.97318
Patient-reported outcome
 Publication year− 25.0456923.21049− 1.080.476− 319.963269.8716
 VCD type− 38.1361538.23929− 10.501− 524.0125447.7402
 Vascular access site− 172.31997.29436− 1.770.327− 1408.5611063.923

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.