Assessing lumbar paraspinal muscle cross-sectional area and fat composition with T1 versus T2-weighted magnetic resonance imaging: Reliability and concurrent validity
Fig 3
Bland-Altman plots for between-sequence measures.
A & B: Total cross-sectional area (CSA) measures of the lumbar multifidi bilaterally at L4 and L5, respectively. C & D: Total fat area as a percentage of Total CSA (Fat %) bilaterally at L4 and L5, respectively.