an increasing trendp = 0.005
After stratifying the patients into subgroups according to admission glucose level, an increasing trend of mortality rates was found in non-diabetic patients but not in the diabetic group (≥200 mg/dL: 15% vs. 7%, p = 0.005; ≥250 mg/dL: 20% vs. 7%, p = 0.005 and ≥ 300 mg/dL: 28% vs. 8%, p = 0.008).