Odds ratios* for five laboratory values calculated per standard deviation for sodium, blood urea, albumin and uric acid and for leucopenia and leukocytosis for WBC.

*odds ratios expressed per one standard deviation increase in laboratory test level except for WBC which compares abnormal values to a reference group.Derived from 30-day and one-year mortality prediction logistic regression models inclusive of laboratory tests, demographics and comorbidities.