Table 1 Patient characteristics, diagnoses and baseline laboratory values

Age (years)

55 (44–64)

55 (45–68)

0.2

Male gender

53 (68)

69 (57)

0.13

Intensive care unit location

60 (77)

62 (51)

0.0002

Admission diagnosis

   Trauma

26 (33)

29 (24)

0.15

   Infection

17 (22)

18 (15)

0.45

   Other general surgery diagnosis

25 (32)

51 (42)

0.18

Comorbid conditions

   Diabetes mellitus

12 (15)

17 (14)

0.84

   Malignancy

10 (13)

17 (14)

1

   Immunosuppression

9 (12)

20 (16)

0.41

Baseline nutrition laboratory values

   Prealbumin (g/dl)

7.2 (4.5–10.5)

8.6 (5.2–11.8)

0.25

   Albumin (g/dl)

1.6 (1.3–2)

1.9 (1.5–2.5)

0.0009

   C-reactive protein

140 (82–223)

144 (74–201)

0.5