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Table 2 Patient populations 1 and 2 (both coming from a surgical intensive care unit (ICU)) showing characteristics of both surgical ICU patient groups

From: Glycemic penalty index for adequately assessing and comparing different blood glucose control algorithms

Variable Patient group 1 Patient group 2
No. of patients 41 52
Male sex, no. (%) 27 (65.8) 29 (55.8)
Age, years (SD) 59.8 (17.6) 65.2 (16.1)
Body mass index, kg/m2 (SD) 27.0 (5.2) 25.1 (4.7)
Reason for intensive care, no. (%):   
Cardiac surgery, type 1 11 (26.8) 32 (61.5)
Non-cardiac indication: 30 (73.2) 20 (38.5)
Multiple trauma or severe burns, type 2 7 (17.1) 0 (0)
Neurologic disease, cerebral trauma, or complicated brain surgery, type 3 4 (9.8) 2 (3.9)
Complicated lung or esophageal thoracic surgery, respiratory insufficiency, or both, type 4 7 (17.1) 5 (9.6)
Complicated abdominal surgery or peritonitis, type 5 5 (12.2) 10 (19.2)
Transplantation, type 6 3 (7.3) 2 (3.9)
Complicated vascular surgery, type 7 2 (4.9) 0 (0)
Other, type 8 2 (4.9) 1 (1.9)
APACHE II score (first 24 h) (SD) 11 (6) 16 (4)
Mean BG – mg/dl (SD): 108 (37) 104 (29)
Minimal BG, mg/dl 37 37
Maximal BG, mg/dl 379 307
  1. SD, standard deviation.