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Table 1 Patient characteristics

From: Abdominal infections in the intensive care unit: characteristics, treatment and determinants of outcome

Age, mean ± SD, year

62 ± 16

Male, n (%)

831 (60)

SAPS II score, mean ± SD

38.9 ± 16.4

SOFA score, mean ± SD

7.6 ± 4.6

Length of ICU stay before May 8, median (IQR), days

6 (1–15)

Type of admission, n (%)

  Surgical - emergency

885 (63.7)

  Medical

260 (18.7)

  Surgical - elective

198 (14.2)

  Trauma

47 (3.4)

Admission source, n (%)

  OR/recovery room

488 (35.3)

  Hospital floor

465 (33.6)

  ER/ambulance

199 (14.4)

  Other hospital

194 (14.0)

  Other

36 (2.6)

Comorbidities, n (%)

  Cancer

321 (23.1)

  COPD

225 (16.2)

  Chronic renal failure

140 (10.1)

  Insulin dependent diabetes mellitus

131 (9.4)

  Heart failure (NYHA III-IV)

107 (7.7)

  Cirrhosis

79 (5.7)

  Hematological cancer

24 (1.7)

  HIV

12 (0.9)

Organ support on the study day

  Mechanical ventilation

863 (62.0)

  Renal replacement therapy

220 (15.8)

Outcome measures

  ICU LOS, median (IQR), days

16 (6–34)

  Hospital LOS, median (IQR), days

30 (14–59)

  ICU mortality, n (%)

382 (29.4)

  Hospital mortality, n (%)

472 (36.3)

  1. SAPS II = Simplified Acute Physiology Score II; SOFA = Sequential Organ Failure Assessment; HIV = Human Immunodeficiency Virus; NYHA III-IV = New York Heart Association class III-IV.