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Table 5 Multivariate analysis of independent variables of probability of blood culture to diagnose bloodstream infection

From: Diagnostic yield of routine daily blood culture in patients on veno-arterial extracorporeal membrane oxygenation

BSI characteristics

OR [95% CI]

p

BMI (kg/m)2

1.06 [1.01; 1.11]

0.007

KDIGO stage

  

  1

1.95 [1.19; 3.17]

0.007

  2

1.64 [0.91; 2.95]

0.101

  3

1.36 [0.77; 2.40]

0.285

Lactate level at day 0 (mmol/L)

0.90 [0.85; 0.95]

 < 0.001

Total bilirubin level at day 0 (µmol/L)

1.00 [1.00; 1.01]

0.019

Collection on V-A ECMO

0.52 [0.34; 0.81]

0.004

Routine sampling

0.55 [0.38; 0.81]

0.002

On-going antimicrobial therapy

1.56 [1.03; 2.35]

0.037

On-going RRT

2.76 [1.86; 4.09]

 < 0.001

  1. V-A ECMO, veno-arterial extracorporeal membrane oxygenation; BSI, bloodstream infection; BMI, body mass index; KDIGO, Kidney Disease Improving Global Outcomes; RRT, renal replacement therapy