危重病患者；死亡率；死亡危险因素。
Critically ill patients; Mortality; Risk factors related to death.
结论：危重病患者存在高胰岛素血症及IR。
Conclusion: IR and hyperinsulinaemia occur in patients with critical diseases.
目的研究强化胰岛素治疗在危重病患者中的临床疗效。
Objective To investigate the effect of intensive insulin therapy on the critical illness patients.
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