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Table 2 Measurement results of the multifidus muscle

From: Is there a correlation between upper lumbar disc herniation and multifidus muscle degeneration? A retrospective study of MRI morphology

Feature Study group Control group P
TMCSA (mm2)    < 0.05
 L1/2 467.56 ± 87.97 670.78 ± 80.27  
 L2/3 685.25 ± 129.32 804.58 ± 60.50  
 L3/4 1152.11 ± 178.10 1260.91 ± 193.89  
PMCSA (mm2)    < 0.05
 L1/2 223.89 ± 69.09 507.67 ± 114.17  
 L2/3 335.92 ± 113.20 574.00 ± 159.66  
 L3/4 652.36 ± 158.82 937.84 ± 181.55  
AMMW (mm)    < 0.05
 L1/2 14.78 ± 1.13 15.90 ± 0.84  
 L2/3 18.14 ± 2.41 19.90 ± 1.15  
 L3/4 21.95 ± 2.49 23.74 ± 2.27  
  1. TMCSA The total muscle cross-sectional area, PMCSA The pure muscle cross-sectional area, AMMW The average multifidus muscle width