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Table 4 Multivariate logistic regression for predictors of 30-day mortality at baseline (T0) and 8 h (T8)

From: Clinical classification of tissue perfusion based on the central venous oxygen saturation and the peripheral perfusion index

Variables

T0

T8

 

RR

95 % CI

P value

RR

95 % CI

P value

PI

1.055

0.685, 1.691

0.825

2.439

1.296, 4.589

0.006

Lactate

1.118

0.868, 1.439

0.388

1.228

0.886, 1.702

0.218

ScvO2,%

0.990

0.936, 1.046

0.710

1.080

1.007, 1.158

0.032

P(v-a)CO2, mmHg

0.981

0.866, 1.112

0.767

0.975

0.828, 1.148

0.763

HR

0.936

0.909, 0.965

0.000

0.964

0.939, 0.991

0.008

CVP

0.922

0.792, 1.074

0.298

1.059

0.890, 1.259

0.519

MAP

1.016

0. 983, 1.051

0.333

1.017

0.975, 1.060

0.434

Age, years

0.968

0.935, 1.002

0.068

0.998

0.967, 1.030

0.899

Gender

0.496

0.172, 1.434

0.196

0.396

0.128, 1.224

0.108

NE dose, ug/kg/min

0.146

0.022, 0.969

0.046

0.103

0.015, 0.692

0.019

  1. CVP central venous pressure, MAP mean arterial pressure, HR heart rate, ScvO2 central venous oxygen saturation, P(v-a) CO2 difference in venoarterial CO2 tension, NE norepinephrine, PI peripheral perfusion index
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Critical Care

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