Fig. 5From: Differences in radiographic and clinical outcomes of oblique lateral interbody fusion and lateral lumbar interbody fusion for degenerative lumbar disease: a meta-analysisFunnel plot of publication bias. (a) Disc height of oblique lateral interbody fusion (OLIF), (b) disc height of lateral lumbar interbody fusion (LLIF), (c) visual analog scale of OLIF, (d) visual analog scale of LLIF, (e) Oswestry disability index of OLIF, and (f) Oswestry disability index of LLIF. No publication bias for DH or ODI was found in either group. Publication bias was found for VAS for the LLIF groupBack to article page