Table 1 Patient characteristics

Age in years, median [IQR])

65 [60–79]

Male gender, number (%)

6/50 %

Race, number (%)

 Caucasian

10 (83.3 %)

 Black

1 (8.3 %)

 Asian

1 (8.3 %)

BMI in kg/m², median [IQR]

23 [20–27]

Admission type, number (%)

 Medical

6 (50 %)

 Emergency surgery

3 (25 %)

 Planned surgery

3 (25 %)

History of diabetes, number (%)

 No diabetes

11 (92 %)

 Diabetes, unknown treatment

1 (8 %)

 Diabetes treated with insulin

0 (0 %)

 Diabetes treated with oral agents

0 (0 %)

APACHE II, median [IQR]

21 [18–26]

SAPS II, median [IQR]

44 [37–53]

ICU LOS, days, median [IQR]

15 [7–17]

Hospital LOS, days, median [IQR]

20 [18–35]

ICU mortality, number (%)

7 (58 %)

Hospital mortality, number (%)

8 (67 %)