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Table 1 Impact of newly discovered hyperglycaemia on the outcome of patients admitted to hospital

From: Effect of glycaemic control on complications following cardiac surgery: literature review

  Aim of Study Results
Umpierrez et al.22
n = 2030
medical patients
To determine the prevalence of in-hospital hyperglycemia and determine the survival of patients with hyperglycemia with and without a history of Diabetes Newly discovered hyperglycemia was associated with a higher in-hospital mortality rate compared with those patients with a prior history of Diabetes and patients with normoglycemia.
Patients with hyperglycaemia had longer length of hospital stay, a higher admission rate to an intensive care unit and were less likely to be discharged home.
Abdelmalak et al.23
n = 61,536
surgical, non-cardiac surgery patients
To study the hypothesis that pre-operative BG levels and the Diabetes diagnosis status of the patients are related to surgical outcomes One year mortality was significantly related to pre-operative BG. Hyperglycaemic patients with diagnosed Diabetes displayed a significantly lower 1 yr. mortality than hyperglycaemic patients without Diabetes
Noordzij et al.24
n = 108,593
surgical, non-cardiac surgery patients
To determine the relationship between pre-operative BG levels and peri-operative mortality in non-cardiac and non-vascular surgery Pre-operative hyperglycemia was found to be associated with increased cardiovascular mortality in patients undergoing non-cardiac and non-vascular surgery
Whitcomb et al.25n = 2713
ITU patients
To assess the association between hyperglycemia and in-hospital mortality in different ITU departments Higher mortality was seen in hyperglycemic patients without history of Diabetes in the cardiothoracic and neurosurgical units
Anderson et al.29n = 1895
cardiac surgery patients
To determine whether pre-operative fasting BG is associated with an increased mortality after CABG. Patients not known to have Diabetes but with an elevated pre-operative fasting BG had a 30 day and a 1-year mortality twice that of patients with normal values, and equivalent to patients known to have Diabetes