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. 2021 Oct 10;16:293. doi: 10.1186/s13019-021-01677-7

Table 5.

The results of meta-analysis of postoperative outcomes (ViV vs ViR)

Outcomes Studies Effect measure Model Participants Effect estimate LCI UCI Q P(Q) Z P(Z)
All-cause Mortality within 30 days 5 Odds ratio Fixed 2550 0.70 0.50 0.99 0.68 0.95 2.02 0.04
 Cardiovascular 2 Odds ratio Fixed 933 0.59 0.29 1.18 0.47 0.49 1.49 0.14
 Noncardiovascular 1 Odds ratio Fixed 688 0.67 0.24 1.82 0.00 1.00 0.79 0.43
 Unknown-cause 4 Odds ratio Fixed 1862 0.75 0.50 1.15 1.96 0.58 1.32 0.19
Bleeding 5 Odds ratio Random 2665 0.68 0.13 3.61 73.19 0.00 0.45 0.65
 Major or extensive bleeding 4 Odds ratio Random 2420 1.66 0.98 2.80 3.11 0.38 1.89 0.06
 Life-threatening or fatal 2 Odds ratio Random 1266 0.44 0.25 0.77 0.48 0.49 2.85 < 0.01
 Unknown 1 Odds ratio Random 245 14.47 0.85 245.08 0.00 0.00 1.85 0.06
Embolization 4 Odds ratio Fixed 1577 0.34 0.12 0.98 3.57 0.31 2.00 0.045
Conversion to Cardiac surgery 3 Odds ratio Fixed 1341 0.31 0.13 0.74 2.27 0.32 2.64 0.01
Left ventricular outflow tract obstruction 4 Odds ratio Fixed 1586 0.22 0.11 0.44 3.07 0.38 4.31 < 0.01
Stroke 4 Odds ratio Fixed 2487 3.14 0.94 10.43 0.68 0.88 1.86 0.06
Post-procedural echocardiographic findings 4
 LVEF (%) 3 Mean difference Fixed 1347 8.74 7.03 10.46 0.20 0.91 10.00 < 0.01
 Mitral valve mean gradient (mmHg) 4 Mean difference Fixed 1757 − 0.46 − 0.77 − 0.15 2.39 0.50 2.88 < 0.01
 Right ventricular systolic pressure (mmHg) 1 Mean difference Fixed 75 4.00 − 5.05 13.05 0.00 1.00 0.87 0.39
MVA, mitral valve area (cm2) 3 Mean difference Fixed 1617 0.03 − 0.06 0.11 19.57 0.00 0.60 0.55
Vascular complication 4 Odds ratio Random 2590 1.41 0.36 5.50 13.20 0.00 0.50 0.62
Acute kidney injury 3 Odds ratio Fixed 1787 0.60 0.41 0.87 0.70 0.70 2.72 0.01
Need for second valve implantation 4 Odds ratio Fixed 2420 0.21 0.14 0.33 0.70 0.87 7.13 < 0.01
Postprocedural mitral regurgitation 3
 Trace/none 3 Odds ratio Fixed 2094 3.16 2.16 4.63 4.83 0.09 5.93 < 0.01
 1 (+) 3 Odds ratio Fixed 2094 0.44 0.28 0.70 6.17 0.05 3.47 < 0.01
 2 (+) or greater 3 Odds ratio Fixed 2094 0.27 0.13 0.59 4.23 0.12 3.28 < 0.01