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Table 5 Multivariate linear regression model predicting ventilator-free and ICU-free days after controlling for age, sex and Injury Severity Scale score a

From: Skeletal muscle predicts ventilator-free days, ICU-free days, and mortality in elderly ICU patients

Measurement Coefficient of correlation 95% CI P-value
Ventilator-free days
Muscle index 0.060 −0.025 to 0.126 0.19
TAT index −0.004 −0.026 to 0.017 0.71
Albumin 5.49 −0.648 to 11.618 0.078
BMI −0.043 −0.49 to 0.40 0.85
ICU-free days
Muscle index 0.032 −0.037 to 0.101 0.36
TAT index −0.002 −0.022 to 0.017 0.82
Albumin 5.32 0.032 to 10.61 0.049
BMI −0.065 −0.47 to 0.34 0.75
  1. aBMI = body mass index, CI = confidence interval, TAT = total adipose tissue, VAT = visceral adipose tissue. Statistical significance was accepted at P ≤ 0.05.