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Fig. 2 | BMC Musculoskeletal Disorders

Fig. 2

From: T2 mapping and fat quantification of lumbar paraspinal muscle in ankylosing spondylitis: a case control study

Fig. 2

Scatter plots showing correlation of FF and the T2non-fatsat value (a-d) and the T2fat value (e–h) and T2fatsat value (i-l) in ES and MF at both L3/L4 and L4/L5 levels in AS group. In the upper row (a-d), scatter plots showing a moderately to strongly positive correlations between FF and the T2non-fatsat value in MF and ES at all levels. In the middle row (e–h), scatter plots showing strongly positive correlations between FF and the T2fat value in MF and ES at all levels. In the lower row (i-l), no significant correlation were observed between FF and the T2fatsat value in MF and ES at all levels. AS, ankylosing spondylitis; MF, multifidus; ES, erector spinae; FF, fat fraction

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