APACHE II Death Risk and Length of Stay in the ICU Are Associated With Pressure Injury in Critically Ill Patients

Francine Sanchez Gulin, Mayra Goncalves Menegueti, Maria Auxiliadora-Martins, Thamiris Ricci de Araujo, Fernando Bellissimo-Rodrigues, Aline Nassiff, Anibal Basile-Filho, Ana Maria Laus


Background: The aim of this study was to identify factors associated with pressure injury (PI) occurrence in critically ill patients. This was a retrospective cohort study conducted at a mixed intensive care unit (ICU).

Methods: Univariate analysis and logistic regression were used to identify which variables are associated with PI.

Results: Twenty-one (15%) of 142 patients developed PI. The median and the range of the variables in the groups without and with PI were as follows: Braden scale risk score, 13 (8 - 20) and 10 (8 - 14) points, respectively; Acute Physiology and Chronic Health Evaluation II (APACHE II) death risk, 39% (2 - 97%) and 75% (26 - 96%), respectively; and length of stay in the ICU, 4 (2 - 36) and 16 (5 - 29) days, respectively. The socio-demographic variables included in the logistic regression were age (P = 0.09), Braden scale risk score (P = 0.0003), APACHE II death risk (P < 0.0001), length of stay in the ICU (P < 0.0001) and reason for ICU admission (P = 0.09). Only APACHE II death risk and length of stay in the ICU presented significant differences; the odds ratios were 1.05 and 1.25, respectively, and the 95% confidence intervals were 1.01 - 1.09 and 1.12 - 1.39, respectively.

Conclusion: APACHE II death risk and length of stay in the ICU are probably associated with PI occurrence in the study population.

J Clin Med Res. 2018;10(12):898-903
doi: https://doi.org/10.14740/jocmr3636


APACHE II death risk; Critical care; Critical illness; Pressure injury

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