Table 3.
Complications
| Complications | Subgroup | No. of studies | No. of patients | No. of complications | Pooled rate (95% CI) | I2 (%) |
|---|---|---|---|---|---|---|
| Dural tear | Lateral | 2 | 50 | 2 | 4 (1.4 to 9.4) | 0 |
| Posterior | 4 | 107 | 10 | 7 (2 to 12) | 10.9 | |
| Wound related | Lateral | 4 | 179 | 12 | 7.5 (1 to 13.9) | 44.32 |
| Posterior | 6 | 368 | 14 | 2.7 (1.1 to 4.3) | 0 | |
| Neurological deficit | Lateral | 2 | 140 | 11 | 7.8 (3.4 to 12.3) | 0 |
| Posterior | 4 | 284 | 10 | 2.4 (0.1 to 4.8) | 41.21 | |
| Transient sensori-motor defcit | Lateral | 3 | 56 | 14 | 24.3 (13.1 to 35.4) | 0 |
| Posterior | 3 | 76 | 5 | 5.6 (5 to 10.7) | 0 | |
| Implant or construct related | Lateral | 3 | 68 | 6 | 7.3 (1.2 to 13.5) | 0 |
| Posterior | 5 | 439 | 71 | 14.9 (8.7 to 21.1) | 74.4 | |
| Resurgery | Lateral | 7 | 235 | 23 | 7.9 (4.3 to 11.4) | 5.9 |
| Posterior | 10 | 468 | 34 | 5.9 (2.5 to 9.3) | 71.38 | |
| Pseudoarthrosis | Lateral | 1 | 23 | 1 | 4.3 (−4 to 12.7) | NA |
| Posterior | 3 | 155 | 9 | 6.3 (−1 to 13.7) | 61.27 | |
| Others | ||||||
| Postoperative thigh pain | Lateral | 4 | 88 | 8 | 7.7 (2.2 to 13.2) | 0 |
| Visceral injuries | Lateral | 2 | 139 | 3 | 2 (−2 to 6) | NA |
| Retrograde ejaculation | Lateral | 1 | 27 | 1 | 3.7 (3.4 to 10.8) | NA |
| Adult degenerative scoliosis | Posterior | 8 | 414 | 43 | 8.6 (5.2 to 12.2) | 43.18 |
CI, confidence interval; NA, not available.