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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.