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Table 7 Results of the multiple linear regression for the ventilated critically ill patients (n = 50)

From: Effect of mechanical ventilation on intra-abdominal pressure in critically ill patients without other risk factors for abdominal hypertension: an observational multicenter epidemiological study

Variable Coefficient ba Coefficient βb CI 95% p
    IL SL  
Constant -4.764   -13.451 3.922 0.275
Age 0.012 0.045 -0.061 0.085 0.740
Males 2.808 0.342 0.536 5.081 0.017
BMI 0.300 0.250 -0.014 0.614 0.061
Vmin 0.013 0.009 -0.400 0.426 0.950
PEEP 0.556 0.331 0.127 0.985 0.012
PSVc 2.896 0.329 0.485 5.307 0.020
Model summary R2 = 0.322; adjusted R2 = 0.227
  1. aUnstandardized coefficient; bstandardized coefficient; creference category: CMV. BMI, body mass index; Vmin, minute volume; PEEP, positive end-expiratory pressure; PSV, pressure support ventilation; CMV, controlled mechanical ventilation; IL, inferior limit; SL, superior limit.