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Table 3 Univariate and multivariate Cox proportional hazards analysis of risk factors for 90-day mortality

From: Relationship between lung consolidation size measured by ultrasound and outcome in ICU patients with respiratory failure

Variables

Univariate analysis

Multivariate analysis

Odds ratio (95%CI)

P

Odds ratio (95%CI)

P

Age

1.045[0.990–1.103]

0.108

0.943[0.890–1.033]

0.088

Sex

0.646[0.183–3.817]

0.608

  

APACHEII

1.167[1.041–1.308]

0.008

1.148[1.051–1.255]

0.002

SOFA

1.130[0.937–1.362]

0.201

  

PaCO2(mmHg)

0.828[0.718–0.955]

0.010

0.531[0.359–0.786]

0.015

P/F ratio(mmHg)

0.998[0.990–1.006]

0.677

  

HR (beats/min)

1.005[0.959–1.052]

0.859

  

CVP (cmH2O)

1.113[0.821–1.509]

0.491

  

MAP (mmHg)

1.022[0.956–1.094]

0.522

  

Lactate(mmol/L)

1.800[1.143–2.833]

0.001

1.207[1.047–1.392]

0.012

Duration of intubation(d)

1.239[0.995–1.544]

0.056

1.021[0.999–1.044]

0.061

ICU stay(d)

0.843 [0.683–1.041]

0.113

0.876[0.805–0.954]

0.022

CA (cm2)

1.061[1.021–1.102]

0.002

1.048[1.015–1.082]

0.004

  1. Note: CA consolidation area; HR heart rates; CVP central venous pressure; MAP mean arterial pressure