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Table 2 The ICU and ED APACHE-IV model

From: The effect of treatment and clinical course during Emergency Department stay on severity scoring and predicted mortality risk in Intensive Care patients

Risk scores

ICU

APACHE-IV model

ED

APACHE-IV model

p value

APACHE-IV score, median (IQR)

56 (39–80)

63 (47–90)

< 0.01

APS, median (IQR)

44 (30–68)

52 (35–76)

< 0.01

APACHE-IV Predicted mortality, median (IQR)

0.10 (0.03–0.30)

0.13 (0.04–0.36)

< 0.01

SMR (95% CI)

0.63 (0.54–0.72)

0.55 (0.57–0.63)

 
  1. ICU: Intensive Care Unit, ED: Emergency Department, APACHE-IV: Acute Physiology and Chronic Health Evaluation (4th edition), APS: Acute Physiology Score, SMR: Standardized mortality Ratio (observed mortality / predicted mortality). IQR: interquartile range, 95% CI: 95 percent Confidence Interval
  2. The ED APACHE-IV was calculated by using the most deviating vital signs and laboratory results from the Emergency Department or the first 24 h of Intensive Care Unit admission. All other variables in the APACHE-IV model remained similar