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Table 1 Comparison of patients with hypoglycemia to those without hypoglycemia

From: Mild hypoglycemia is strongly associated with increased intensive care unit length of stay

  Minimum BG < 70 mg/dL Minimum BG 50-69 mg/dL Minimum BG < 50 mg/dL Minimum BG ≥ 70 mg/dL
Number 2,313 1,424 889 3,927
Age (yr) 70 (57-79) 70 (59-80) 69 (58-78) 66 (52-78)
DM (%)* 27.3 28.3 26.8 17.5
MED patient (%) 56.2 56.0 56.6 54.7
ICU LOS 5 (2.2-10.5) 4.2 (2-9) 6 (2.8-12.2) 1.8 (1.0-3.3)
APACHE II 20.8 (8.4) 19.9 (8.1) 22.2 (8.8) 15.2 (8.1)
Mortality (%) 29.6 26.5 34.6 13.1
Glucose control     
BG per patient 45 (21-97) 36 (18-78) 65 (29-127) 11 (7-24)
BG per day 9.5 (7.2-11.9) 9.2 (6.6-11.2) 10.2 (8.1-12.5) 8 (5-10)
Mean (mg/dL) 118.3 (108.1-132.5) 120.0 (109.3-133.4) 116.5 (106.5-129.4) 128.1 (115.3-144.4)
CV (%) 31.6 (25.0-40.0) 29.0 (23.1-37.4) 35.0 (29-43.7) 19.2 (13.7-26.1)
  1. *Includes only patients from ST and GL cohorts. Data displayed as percentage, median (interquartile range), or mean (standard deviation). P values comparing patients without hypoglycemia to those with minimum BG < 70 mg/dL < 0.0001, except for MED patient p = 0.2581. DM, diabetes mellitus; MED patient, medical diagnosis on admission to the ICU, rather than surgical or trauma; BG, blood glucose; BG per patient, number of BG measurements per patient; BG per day, number of BG measurements per day per patient; Mean, individual patient's mean BG during ICU stay; CV, individual patient's mean coefficient of variation during ICU stay.