Table 5.
Biliary stent placement success
| Study | Setting | Design | Trainee | Success rate | s.e. | 95% CI | % Weight |
|---|---|---|---|---|---|---|---|
| Banerjee et al. (46) | A | R | NA | 104/104=1.000 | 0 | NA | NA |
| Behm et al. (47) | A | P | NA | 19/20=0.950 | 0.049 | 0.854–1.046 | 0.790 |
| Gómez-Olivia et al. (48) | A | P | NA | 191/199=0.960 | 0.014 | 0.933–0.987 | 9.68 |
| Han et al. (49) | A | P | NA | 37/37=1.000 | 0 | NA | NA |
| Kahaleh et al. (50) | A | P | NA | 79/79=1.000 | 0 | NA | NA |
| Kapral et al. (30) | A | P | Y | 1,034/1,058=0.977 | 0.005 | 0.968–0.986 | 89.53 |
| Siddiqui et al. (33) | A | R | NA | 241/241=1.000 | 0 | NA | NA |
| Tsuchiya et al. (52) | A | P | NA | 52/52=1.000 | 0 | NA | NA |
| Yamaguchi et al. (53) | A | P | NA | 8/8=1.000 | 0 | NA | NA |
| Yoon et al. (54) | A | R | NA | 77/77=1.000 | 0 | NA | NA |
| Yoon et al. (55) | A | R | NA | 112/112=1.000 | 0 | NA | NA |
| Cumulative weighted success rate | 0.975 | 0.967–0.984 | 100.0 |
Heterogeneity χ2=1.70 (d.f.=2), P=0.427; I2=0.0%; estimate of between-study variance τ2=0.000; test of ES=0: z=225.19, P=0.000
Metaregression subgroup analysis
Insufficient variance for analysis
CI, confidence interval; ES, effect size; NA, not applicable.