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Table 4 Disc herniation and control groups

From: Correlation between facet tropism and lumbar degenerative disease: a retrospective analysis

spinal level Disc herniation facet tropism χ2 p
YES NO
L3–4 YES 8 2 6 0.238 0.625
NO 78 14 64
L4–5 YES 44 19 25 10.448 0.001
NO 42 5 37
L5-S1 YES 34 24 10 22.683 0.000
NO 52 10 42