Skip to main content

Table 3 Linear spline associations between UO/FI and mortality

From: Fluid intake-related association between urine output and mortality in acute respiratory distress syndrome

Variables

Crude odds ratio (95% CI)

P

Adjusted odds ratio (95% CI)

P

UO/FI ≤ 0.5

0.08 (0.03–0.22)

<  0.001

0.09 (0.03–0.25)

<  0.001

UO/FI > 0.5

1.04 (0.95–1.13)

0.353

1.04 (0.96–1.14)

0.281

Low tidal volume intervention

  

0.68 (0.51–0.92)

0.013

Leukemia

  

3.56 (1.19–10.6)

0.022

Solid tumour

  

3.38 (1.18–9.67)

0.023

Respiratory rate

  

1.01 (1.00–1.03)

0.013

Platelet count (10^9/L)

  

0.99 (0.99–0.99)

0.027

PaO2/FiO2

  

0.99 (0.99–0.99)

0.005

  1. Linear spline function was applied in the logistic models using cut-off value of 0.5 of UO/FI. The VIF value was 3.03 in the multivariable logistic model
  2. Abbreviation: UO/FI Urine output/fluid intake