Table 2 Important details of glucose control and sampling interval during the study

Blood glucose level at study start [mmol/l]

10.9 ± 5.3

8.0 ± 1.7

0.021

9.4 ± 4.2

Time from ICU admission to study start [days]

1.7 ± 1.5

6.7 ± 5.9

0.001

4.2 ± 4.9

Time to reach target range [hours]

5.3 ± 4.6

2.9 ± 2.3

0.157

4.7 ± 4.1

Sampling interval [hours]

2.0 ± 0.4

2.3 ± 0.4

0.013

2.2 ± 0.4

Mean BG level [mmol/l]

6.8 ± 0.4

6.6 ± 0.4

0.142

6.7 ± 0.4

< 3.3 mmol/l

0.03 ± 0.07

0.11 ± 0.37

0.297

0.07 ± 0.26

3.3-4.3 mmol/l

2.06 ± 1.83

0.47 ± 0.64

0.002

1.26 ± 1.57

4.4-8.3 mmol/l (target range)

83.4 ± 8.9

93.1 ± 7.1

0.060

88.3 ± 9.3

> 8.3 mmol/l

14.4 ± 16.7

7.6 ± 16.5

0.159

10.4 ± 8.5

Total study time [days]

7.0 ± 3.6

6.0 ± 3.8

0.389

6.5 ± 3.7