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Table 7 Bivariate analysis of the CT-derived cross-sectional indices of the trunk muscles and TEE or PAL in the COPD patients (GOLD 1 ~ 3, n = 28)

From: The product of trunk muscle area and density on the CT image is a good indicator of energy expenditure in patients with or at risk for COPD

Variable

TEE

PAL

r

p

r

p

PMA

0.559

0.002

0.344

0.073

PMD

0.575

0.001

0.507

0.006

PM product

0.600

0.001

0.455

0.015

RAMA

0.643

 < 0.001

0.362

0.059

RAMD

0.672

 < 0.0001

0.497

0.007

RAM product

0.713

 < 0.0001

0.492

0.008

ESMA

0.556

0.002

0.223

0.253

ESMD

0.425

0.024

0.431

0.022

ESM product

0.538

0.003

0.365

0.056

  1. TEE total energy expenditure, PAL physical activity level, PMA pectoralis muscle area, PMD pectoralis muscle density, RAMA rectus abdominis muscle area, RAMD rectus abdominis muscle density, ESMA erector spinae muscle area, ESMD erector spinae muscle density