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Table 5 Odds ratios and 95% CI from logistic regression analysis of 90-day mortality

From: Age of red blood cells and outcome in acute kidney injury

Variable Odds ratio 95% CI 95% CI P-value
lower upper
Age 1.043 1.025 1.061 <0.001
Propensity score for receiving >14 day-old RBCs 0.083 0.004 1.791 0.112
Transfused units, number 1.057 1.010 1.106 0.017
Acute kidney injury 0.774 0.472 1.271 0.312
Severe sepsis 0.785 0.478 1.288 0.338
RBC age Q2 to Q4 versus Q1 1.448 0.822 2.552 0.200
APACHE II diagnosis group 1.000 0.998 1.001 0.546
Operative admission 1.342 0.797 2.259 0.268
Emergency admission 1.607 0.628 4.111 0.322
DIC 1.537 0.633 3.731 0.342
SAPS II score without age points 1.031 1.011 1.051 0.002
SOFA score, maximum during ICU stay 1.219 1.114 1.333 <0.001
Highest lactate 0.997 0.939 1.058 0.913
Female gender 0.785 0.495 1.244 0.303
  1. Included patients 571 (132 in Q1 and 468 in Q2 to Q4). Hosmer-Lemeshow Chi-square 5.407, P = 0.713. RBC, red blood cell; Q, quartile; APACHE, acute physiology and chronic health evaluation; DIC, disseminated intravascular coagulopathy; SAPS, simplified acute physiology score; SOFA, sequential organ failure assessment.