Southern medical journal
-
Southern medical journal · Apr 1997
Outcome in medical intensive care unit patients requiring abdominal surgery: prospective validation of a risk classification system.
To prospectively validate a previously developed two-factor logistic regression model as a predictor of mortality, we studied its effectiveness in predicting outcome for patients in medical intensive care units (ICUs) who had surgical laparotomy. A high-risk classification was assigned to patients with an Organ System Failure Index (OSFI) > or = 3 or an APACHE (Acute Physiology and Chronic Health Evaluation) II score > 18 within 24 hours of surgery. ⋯ Mortality after surgery correlated with presence or absence of the two variables from the logistic regression model: neither present, 9.5%; APACHE II > 18 present, 68.0%; OSFI > or = 3 present, 75.0%; both present, 88.2%. We showed that a two-factor risk classification at the time of surgical evaluation can be used to stratify medical ICU patients according to risk of in-hospital mortality.