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Table 1 Characteristics for surviving and non-surviving patients and results of univariate analysis of glucose indices

From: Hyperglycaemic index as a tool to assess glucose control: a retrospective study

Characteristic Survivors Nonsurvivors P
Number of patients (n [%]) 1484 (83) 295 (17)  
Male sex (n [%]) 982 (66) 182 (61) 0.18
Age (years; mean ± SD) 53 ± 19 63 ± 16 <0.001
Length of ICU stay (days) 10 (6–20) 10 (6–17) 0.12
Reason for ICU admission (n [%])    <0.001
   Trauma 372 (25) 30 (10)  
   Abdominal surgery 443 (30) 101 (34)  
   Liver transplant 219 (15) 38 (13)  
   Vascular surgery 164 (11) 51 (17)  
   Miscellaneous 286 (19) 75 (25)  
APACHE II score 18 (14–23) 25 (20–28) <0.001
Number of glucose measurements 20 (10.5–41) 27 (15–45) <0.001
Mean glucose (mmol/l) 6.9 (6.0–8.4) 7.7 (6.4–9.5) <0.001
Morning glucose (mmol/l) 6.6 (5.9–7.9) 7.5 (6.2–8.8) <0.001
Admission glucose (mmol/l) 7.2 (5.8–9.5) 7.9 (6.0–10.9) 0.07
Maximum glucose (mmol/l) 10.2 (8.0–14.2) 12.3 (9.5–16.4) <0.001
HGI (mmol/l) 0.9 (0.3–2.1) 1.8 (0.7–3.4) <0.001
  1. Values are expressed as median (interquartile range) unless otherwise stated. APACHE, Acute Physiology and Chronic Health Evaluation; HGI, hyperglycaemic index; ICU, intensive care unit; SD, standard deviation.