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Table 2 Morphometric measurements of psoas major in patients with SMLSS

From: Correlation of psoas major muscle morphology with function and clinical symptoms in patients with symptomatic multilevel lumbar spinal stenosis

Measurements

All patients (n = 114)

Female (n = 73)

Male (n = 41)

P-value

PMI

5.62 ± 1.45

5.17 ± 1.30

6.51 ± 1.31

< 0.001

HU

36.52 ± 5.35

35.77 ± 4.74

37.84 ± 6.15

0.104

MPM

0.59 ± 0.11

0.58 ± 0.11

0.59 ± 0.11

0.910

  1. Bold indicates statistical significance
  2. SMLSS symptomatic multilevel lumbar spinal stenosis; PMI psoas major muscle mass index; HU Hounsfield units; MPM morphological change in the psoas major