Operative characteristics.
| Characteristic | Value |
| Patient | N = 15 |
| Age, y, mean (SD) | 68.2 (7.1) |
| Follow-up, mo, mean (range) | 12.2 (9–14) |
| No. of levels instrumented, mean (SD) | 10.4 (3.0) |
| Interbody implants | N = 26 |
| Interbody implants per patient, mean (SD) | 1.6 (0.6) |
| Level, n (%) | |
| L3–L4 (%) | 2 (7.7%) |
| L4–L5 (%) | 10 (38.4%) |
| L5–S1 (%) | 14 (53.8%) |
| Procedure, No. of levels (%) | |
| ALIF PIC | 20 (76.9%) |
| ALIF stock | 2 (7.7%) |
| TLIF PIC | 4 (15.4%) |
Abbreviations: ALIF, anterior lumbar interbody fusion; PIC, personalized interbody cage; TLIF, transforaminal lumbar interbody fusion.