Participants without diabetes on admission showed a clear trend towards an increasing mortality after 90 days with higher than normal serum glucose levels on admission.
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Serum glucose levels for predicting death in patients admitted to hospital for community acquired pneumonia: prospective cohort study.
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The sentences
Tests for interaction of borderline significance suggested that this variation with severity of pneumonia was over and above that expected by chance alone.
This observation was highly significant (P for trend <0.001; fig 1).