Skip to main content

Table 3 Factors associated with sampling failure

From: Earlobe arterialized capillary blood gas analysis in the intensive care unit: a pilot study

Univariate analysis RR P (CI 95%)
  Age > 65 years 1.9 0.04a (1 to 3.7)
  Diabetes mellitus 1.9 0.03a (1.1 to 3.4)
  Vasoactive treatment 2 0.06 (0.9 to 4.5)
  Vasoconstrictor treatment 1.7 0.09 (0.8 to 3.5)
  NE > 0.22 μg/kg/min 2.4 0.02a (1 to 5.7)
  Sepsis 1.4 0.26 (0.7 to 2.7)
  Lactate > 22 mg/dl 1.4 0.38 (0.7 to 3)
  MAP (< 65 or > 90 mmHg) 0.8 0.57 (0.4 to 1.6)
Multivariate analysis OR P (CI 95%)
  Age > 65 years 1.6 0.05a (0.99 to 2.6)
  Diabetes mellitus 2.4 0.17 (0.7 to 8.2)
  Vasoactive treatment 2.5 0.17 (0.7 to 8.9)
  1. MAP, mean arterial pressure; NE, norepinephrine; OR, odds ratio; RR, relative risk.
  2. aStatistically significant.