Fig. 1From: Prevalence of lumbar spondylosis and its association with low back pain among community-dwelling Japanese womenRadiographs were scored for lumbar spondylosis using the Kellgren-Lawrence (KL) grade as follows: KL1, slight osteophytes (a); KL2, definite osteophytes (b); KL3, disc space narrowing with osteophytes (c); KL4, bone sclerosis, disc space narrowing, and large osteophytes (d)Back to article page