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Table 5 Receiver operating characteristic curve analysis of muscle and fat parameters

From: Based on CT at the third lumbar spine level, the skeletal muscle index and psoas muscle index can predict osteoporosis

 

AUC

95% confidence interval

P value

SMI (cm2/m2)

0.400

0.312-0.488

0.024

PMI (cm2/m2)

0.327

0.244-0.410

< 0.001

VFI (cm2/m2)

0.472

0.386-559

0.559

SFI (cm2/m2)

0.496

0.409-0.583

0.929

VSR

0.482

0.397-0.567

0.693

  1. Abbreviations: AUC Area under the curve, SMI Skeletal muscle index, PMI Psoas muscle index, VFI Visceral fat index, SFI Subcutaneous fat index, VSR Visceral-to-subcutaneous ratio of fat area