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Table 4 24-h urinary catecholamine excretion on the 5th day of treatment and length of ICU stay (days)

From: Urinary catecholamine excretion, cardiovascular variability, and outcomes in tetanus

Catecholamines

Univariate

Multivariate

Beta1

95% CI1

p-value

Beta1

95% CI1

p-value

Log10 (adrenaline (nmol/day))

17.0

15.1–19.5

 < 0.001

11.2

10.5–13.2

0.005

Log10 (noradrenaline (nmol/day))

20.4

17.8–22.9

 < 0.001

12.6

11.0–14.1

 < 0.001

  1. 1Beta = increase in length of ICU stay (days) with one unit increase of the urinary catecholamine excretion measured (nmol/day) on a log base 10 scale, CI confidence interval
  2. Multivariate analyses: adjusted for age, sex, intrathecal and intramuscular treatment interventions, and total dose of medications (benzodiazepines, pipecuronium) during the first 5 days