Table 3 Sensitivity analysis
Primary outcome | No. studies | No. patients | Rate (%) (Covered⁄Uncovered) | RR⁄WMD (95% CI) | P-value |
|---|---|---|---|---|---|
High quality studies(Star ≥ 5) | |||||
Technical success rate | 7 | 675 | 99.0/100 | 0.99 [0.98, 1.01] | 0.51 |
Clinical success rate | 6 | 650 | 91.4/85.8 | 1.04 [0.98, 1.11] | 0.18 |
Post-stenting GOOSS | 6 | 451 | - | −0.01 [−0.52, 0.50]* | 0.96 |
Stent pantency | 5 | 590 | - | −0.05 [−1.50, 1.39]* | 0.94 |
Stent migration | 7 | 662 | 16.3/3.3 | 3.49 [1.92, 6.32] | <0.0001 |
Stent obstruction | 7 | 662 | 6.8/20.4 | 0.39 [0.18, 0.84] | 0.02 |
Overall complications | 6 | 508 | 50.0/44.7 | 1.11 [0.86, 1.44] | 0.43 |
Reintervention rate | 6 | 600 | 21.3/16.3 | 1.30 [0.92, 1.83] | 0.13 |
Studies containing ≥ 70 patients | |||||
Technical success rate | 5 | 660 | 98.9/100 | 1.00 [0.98, 1.01] | 0.53 |
Clinical success rate | 4 | 528 | 92.6/84.6 | 1.08 [0.99, 1.18] | 0.08 |
Post-stenting GOOSS | 3 | 304 | - | 0.26 [−0.05, 0.48]* | 0.06 |
Stent pantency | 4 | 528 | - | 0.62 [−0.06, 1.18]* | 0.07 |
Stent migration | 5 | 647 | 20.1/4.3 | 4.00 [2.05, 7.80] | <0.0001 |
Stent obstruction | 5 | 647 | 6.6/20.6 | 0.35 [0.17, 0.74] | 0.006 |
Overall complications | 4 | 493 | 53.9/43.6 | 1.22 [0.99, 1.51] | 0.06 |
Reintervention rate | 4 | 515 | 21.7/17.7 | 1.25 [0.88, 1.78] | 0.21 |