Table 1 Characteristics of the patient cohorts

Demographics and outcomes

Number

6,240

3,263

1,098

965

460

454

Age

68 (54 to 78)

68 (53 to 80)

69 (57 to 78)

68 (56 to 78)

65 (53 to 74)

65 (51 to 74)

DM (%)

20.4

20.5

N/A

N/A

22.6

17.2

Diagnostic category (%)

Medical

55.2

54.1

64.1

63.2

39.9

40.4

Surgical/Trauma

44.8

45.9

35.9

36.8

60.1

59.6

Mechanical ventilation (%)

45.8

35.4

N/A

N/A

84.2

82.0

ICU LOS

2.5 (1.1 to 5.7)

1.5 (0.9 to 3.1)

3.0 (1.8 to 6.9)

3.0 (1.7 to 6.3)

6.0 (3.0 to 13.0)

6.0 (3.0 to 12.5)

APACHE II score

16 (11 to 22)

14 (10 to 21)

19.7 (8.2)

19.4 (8.3)

15 (11 to 21)

15 (11 to 21)

Mortality (%)

19.2

14.2

27.5

26.0

17.8

22.9

Glucose control parameters

Number of BG measurements per patient

18 (9 to 47)

15 (8 to 34)

17 (7 to 38)

29 (12 to 69)

29 (12 to 74)

37 (15 to 93)

Number of BG measurements per day*

8.7 (5.7 to 10.5)

9.3 (8.0 to 11.3)

5.1 (3.6 to 7.6)

9.8 (6.8 to 12.1)

4.5 (3.2 to 6.7)

5.6 (3.8 to 9.0)

Mean (mg/dL)

124.4 (112.2 to 140.7)

124.0 (112.0 to 138.0)

127.7 (116.4 to 145.0)

117.9 (107.0 to 137.0)

146.3 (128.1 to 164.6)

118.5 (109.3 to 130.3)

CV (%)

23.8 (16.7 to 32.6)

21.0 (14.8 to 28.5)

26.9 (18.8 to 35.2)

31.8 (23.8 to 40.8)

20.7 (15.4 to 26.2)

26.2 (20.3 to 33.1)

SD (mg/dL)

29.5 (20.0 to 42.6)

25.9 (17.7 to 37.5)

33.8 (23.6 to 49.4)

37.1 (27.3 to 50.3)

29.3 (19.9 to 41.7)

30.5 (22.7 to 42.1)

Percentage of patients with hypoglycemia

< 40 mg/dL

6.7

2.9

8.8

18.1

2.4

9.5

40 to 54 mg/dL

12.6

8.4

13.6

25.2

3.9

23.1

55 to 69 mg/dL

17.7

14.9

19.3

21.6

11.5

31.3

< 70 mg/dL

37.0

26.2

41.7

64.9

17.8

63.9