Ángeles-Garay U, Velázquez-Chávez Y, Molinar-Ramos F, Anaya-Flores VE, Uribe-Márquez SE

Language: Spanish
References: 36
Page: 387-392
PDF size: 104.80 Kb.

ABSTRACT

Objective: to calculate additional hospital stay due to specific cross infection.
Methods: cases and controls study; matched by age ± 2 years, sex, specialty in which were taken care, diagnosis, surgical procedure and hospitalization stay, between July 2005-June 2006. Analysis: t test, χ² to calculate death risk, Kaplan-Meier analysis to calculate survival, Hosmer-Lemeshow test to know the contribution of cross infection for additional hospital stay due to cross infection (AHSDCI).
Results: we identified 851 patients with 1347 cross infection in 16 528 discharges. We could match 677. The cases stayed 25.42 days and the controls 13.29 (p ‹ 0.01). The death risk for the cases was 5.8 (CI 95 % = 3.7-8.6, p ‹ 0.01), four weeks survival 55.3 % for cases and 79.2 % for the controls. The AHSDCI for pneumonia was 10.39 days, urinary-tract-infection 6.28, bacteremia 8.92, vascular-catheter-related infection 3.31, surgical site infections 7.42, and skin and soft-tissue-infection 3.31 (p ‹ 0.05).
Conclusions: we used a multivariate model fitted to patient’s gravity and complexity to extract the proportion days of AHSDCI of each cross infection.

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