Table 4

Multivariate analysis of factors associated with bloodstream infection risk

Variable

Adjusted odds ratio

P value

95% confidence interval

Male sex

1.6

0.13

0.8–3.1

Intensive care unit location

3.2

0.001

1.7–6.2

Maximum parenteral calories

1.6

0.002

1.2–2.1

Data from forward stepwise logistic regression. In this analysis, maximum parenteral nutrition calories per kilogram (adjusted weight for patients with body mass index ≥ 30 kg/m²) are categorized into four groups (quartiles): ≤ 25 kcal/kg, 26–34 kcal/kg, 24–39 kcal/kg, ≥ 40 kcal/kg.

Dissanaike et al. Critical Care 2007 11:R114   doi:10.1186/cc6167