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Table 2 Glucose levels maintained within different ranges over the surgery period and percentage of time spent with the glucose levels maintained between 7.8–10 mmol.l−1 and 6.7–10 mmol.l.−1

From: Automated versus conventional perioperative glycemic control in adult diabetic patients undergoing open heart surgery

 

Control (n = 29)

Experimental (n = 30)

Odds ratio 95% CI

P value

Glucose levels maintained ≤ 7.8 mmol.l−1 (more than 50% of the surgery time)

  

4.4 (1.4–13.8)

0.01

 Yes

6 (20.7)

16 (53.3)

  

 No

23 (79.3)

14 (46.7)

  

Glucose levels maintained ≤ 7.8 mmol.l−1 (more than 95% of the surgery time)

  

4.3 (1.1–17.8)

0.03

 Yes

3 (13.8)

10 (33.3)

  

 No

26 (86.2)

20 (66.7)

  

Glucose levels maintained ≤ 10 mmol.l−1 (more than 50% of the surgery time)

  

8.56 (1.7–43.2)

0.004

 Yes

18 (62.1)

28 (93.3)

  

 No

11 (37.9)

2 (6.7)

  

Glucose levels maintained ≤ 10 mmol.l−1 (more than 95% of the surgery time)

  

7.1 (2.1–23.8)

0.001

 Yes

12 (41.4)

25 (83.3)

  

 No

17 (58.6)

5 (16.7)

  

Glucose levels maintained between 7.8–10 mmol.l−1 (more than 50% of the surgery time)

  

1.9 (0.7–5.3)

0.29

 Yes

11 (37.9)

16 (53.3)

  

 No

18 (62.1)

14 (46.7)

  

Glucose levels maintained between 7.8–10 mmol.l−1 (more than 95% of the surgery time)

  

2.3 (0.6–5.6)

0.21

 Yes

4 (13.8)

8 (26.7)

  

 No

25 (86.2)

22 (73.3)

  

Glucose levels maintained between 6.7–10 mmol.l−1 (more than 50% of the surgery time)

  

2.9 (0.9–8.7)

0.06

 Yes

14 (48.3)

22 (73.3)

  

 No

15 (51.7)

8 (26.7)

  

Glucose levels maintained between 6.7–10 mmol.l−1 (more than 95% of the surgery time)

  

4.2 (1.3–14.0)

0.016

 Yes

5 (17.2)

14 (46.7)

  

 No

24 (82.8)

16 (53.3)

  

Percentage of time spent with glucose levels maintained between 7.8–10 mmol.l−1

35.1 (34.1)

37.1 (37.0)

-0.06a (-0.6–0.4)

0.8

Percentage of time spent with glucose levels maintained between 6.7–10 mmol.l−1

44.3 (36.3)

60.6 (40.1)

-0.42 (-0.9–0.1)

0.11

  1. CI Confidence interval of point estimate
  2. aHedges’ g is interpreted for continuous outcome