ALIF cage dimensions and materials (N = 46).
| Cage Characteristic | n (%) |
| Dimension, mm, mean (SD) | |
| Width | 38 (5.25) |
| Depth | 28 (4.6) |
| Length | 7 (4.1) |
| Material | |
| PEEK | 23 (50) |
| Titanium | 23 (50) |
| Angle | |
| 12° | 2 (4) |
| 15° | 7 (15) |
| 20° | 29 (63) |
| 25° | 5 (11) |
| 30° | 3 (7) |
Abbreviations: ALIF, anterior lumbar interbody fusion; PEEK, polyetheretherketone.