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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.