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Table 2 Summary of acute physiology stratified by hypoglycemia and blood glucose variability

From: The impact of early hypoglycemia and blood glucose variability on outcome in critical illness

Characteristic Total
(n = 66,184)
Hypoglycemic episode only
(n = 7209)
Blood glucose variability
(n = 1913)
Neither
(n = 57,969)
P value
Illness severity scores:      
   APACHE II [mean (SD)] 17.0 (8.3) 18.9 (9.4) 22.1 (9.7) 16.2 (8.0) <0.001
   APACHE III [mean (SD)] 56.7 (29.8) 65.0 (36.2) 78.1 (35.3) 55.0 (28.2) <0.001
Mechanical Ventilation (%) 45.6 49.6 55.4 44.8 <0.001
pH [mean (SD)] 7.32 (0.1) 7.30 (0.14) 7.26 (0.16) 7.33 (0.12) <0.001
Creatinine (umol/L) [median (IQR)] 90 (70 to 136) 100 (68 to 190) 123 (80 to 225) 90 (70 to 130) 0.001
Urea (mmol/L) [median (IQR)] 6.7 (4.6 to 11.2) 7.4 (4.3 to 14.8) 9.9 (6.0 to 17.7) 6.6 (4.6 to 10.6) 0.001
Urine (L/24 hr) [median (IQR)] 1.75 (1.04 to 2.56) 1.60 (0.84 to 2.50) 1.70 (0.85 to 2.63) 1.77 (1.08 to 2.56) 0.001
  1. APACHE = Acute Physiology and Chronic Health Evaluation; IQR = intra-quartile range; SD = standard deviation.