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