Comparative analysis of the efficacy of oblique lateral interbody fusion versus transforaminal lumbar interbody fusion in the treatment of lumbar disc herniation.

At the last follow-up, the OLIF group showed slightly better functional outcomes, with an ODI of 24.15 ± 6.92 compared to 25.77 ± 5.85 in the TLIF group, though this difference did not reach statistical significance ( P = 0.15) (Table 2 ).

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