Table 4.
Comparison of the success rate
| Studies of subgroups | No. of studies | Crude data (n/N) | OR (95 % CI) | Heterogeneity | Test for over effect (P) | ||
|---|---|---|---|---|---|---|---|
| AGV | BGI | I2 (%) | P | ||||
| Short-term follow-ups | |||||||
| Total | 5 | 282/359 | 283/355 | 0.97 (0.56–1.66) | 42 | 0.14 | 0.90 |
| Sensitivity analysis | 4 | 266/343 | 271/339 | 0.87 (0.56–1.35) | 23 | 0.27 | 0.53 |
| RCT | 2 | 205/263 | 199/237 | 0.67 (0.42–1.06) | 0 | 0.92 | 0.09 |
| Non-RCT | 3 | 77/96 | 84/118 | 1.63 (0.71–3.74) | 24 | 0.27 | 0.25 |
| Children | 0 | / | / | / | / | / | / |
| Adults | 4 | 261/327 | 262/323 | 1.01 (0.50–2.01) | 56 | 0.08 | 0.99 |
| Long-term follow-ups | |||||||
| Total | 7 | 219/370 | 318/465 | 0.73 (0.54–0.99) | 0 | 0.44 | 0.04 |
| Sensitivity analysis | 6 | 217/367 | 312/459 | 0.74 (0.55–1.00) | 0 | 0.43 | 0.05 |
| RCT | 2 | 124/231 | 132/212 | 0.70 (0.47–1.02) | 0 | 0.46 | 0.07 |
| Non-RCT | 5 | 95/139 | 186/253 | 0.82 (0.45–1.48) | 22 | 0.28 | 0.51 |
| Children | 2 | 7/14 | 10/26 | 0.96 (0.04–21.88) | 64 | 0.1 | 0.98 |
| Adults | 3 | 154/279 | 177/282 | 0.74 (0.52–1.04) | 0 | 0.61 | 0.08 |