Analysis of factors influencing ligamentum flavum thickness in lumbar spine - A radiological study of 1070 disc levels in 214 patients

•Higher Pfirrmann’s grade may lead to ligamentum flavum hypertrophy from L1-L2 to L4-L5 levels.•Decreased anterior disc height may lead to ligamentum flavum hypertrophy from L1-L2 to L4-L5 levels.•Statistically significant correlation exists between facet tropism and Ligamentum Flavum thickness at L...

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