Table 2.
Summary of complications of included studies
| Complications, N (%) | MIS-TLIF (N = 232) | OLIF (N = 240) |
|---|---|---|
| Approach-related | ||
| Dural tear and root injury | 4 (1.7 %) | 0 (0 %) |
| Ileus | 0 (0 %) | 1 (0.4 %) |
| Leg pain | 2 (0.9 %) | 3 (1.3 %) |
| Thigh numbness | 3 (0.9 %) | 3 (1.3 %) |
| Hip flexion weakness | 2 (1.3 %) | 4 (1.7 %) |
| Segmental artery injury | 0 (0 %) | 1 (0.4 %) |
| Sympathetic chain injury | 0 (0 %) | 3 (1.3 %) |
| Approach-unrelated | ||
| Adjacent segment disease | 9 (3.9 %) | 12 (5 %) |
| Edema | 0 (0 %) | 3 (1.3 %) |
| Deep venous thrombosis | 1 (0.4 %) | 0 (0 %) |
| Infection | 1 (0.4 %) | 0 (0 %) |
| Late multiple sclerosis | 0 (0 %) | 1 (0.4 %) |
| Pseudarthrosis | 6 (2.6 %) | 4 (1.7 %) |
| Pulmonary thromboembolism | 1 (0.4 %) | 0 (0 %) |
| Screw and cage incidence | 2 (0.9 %) | 4 (1.7 %) |
| Thrombocytopenia | 1 (0.4 %) | 0 (0 %) |
| Total | 32 (13.8 %) | 39 (16.3 %) |
MIS-TLIF minimally invasive transforaminal interbody fusion, OLIF oblique lateral interbody fusion