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. 2021 Aug 17;11:16673. doi: 10.1038/s41598-021-95774-1

Figure 2.

Figure 2

(a) Average change of anterior disc height. The anterior intervertebral height in the O group was significantly higher than that preoperatively. The anterior intervertebral height of the T group was significantly higher at one month compared with the preoperative level, but not at 3 years. (b) Average change of posterior disc height. The posterior intervertebral height shows the same trend as the anterior one. (c) Improvement rate of segmental focal angle. There was no significant difference in focal angle between the two groups at any time point. Abbreviations: T group, patients who underwent single-level transforaminal lumbar interbody fusion; O group, patients who underwent single-level oblique lateral interbody fusion.