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Table 1 Characteristics of patients admitted to ICU for 72 hours or longer with univariate comparisons

From: Acquired bloodstream infection in the intensive care unit: incidence and attributable mortality

 

All Admissions

No Acquired BSI

Acquired BSI

P

Number of Admissions

6,339

6,009 (94.8%)

330 (5.2%)

 

APACHE III (admission)

68 (52-88)

68 (52-87)

78.5 (61-97)

< 0.001

Age

64.9 (50-75)

65.0 (46-75)

62.6 (49-73)

0.02

Male Sex

62.1%

61.9%

65.2%

0.26

Surgical Admission

55.5%

55.4%

57.6%

0.48

Mechanical Ventilation

69.2%

69.2%

70.3%

0.79

Renal Replacement Therapy

6.7%

6.2%

15.2%

< 0.001

Immune Deficiency

7.2%

7.0%

10.6%

0.02

Malignancy

15.1%

14.8%

19.1%

0.04

Liver Disease

7.0%

6.7%

12.4%

< 0.001

Chronic Kidney Disease

3.8%

3.7%

4.8%

0.36

Chronic Pulmonary Disease

6.5%

6.6%

5.8%

0.64

Insulin-Requiring Diabetes

2.8%

2.7%

3.9%

0.27

ICU LOS (days)

6 (4-10)

5 (4-9)

15 (10-25)

< 0.001

Hospital Mortality

23.5%

22.5%

41.2%

< 0.001

  1. For continuous variables median and inter-quartile range are shown.
  2. APACHE, Acute Physiology and Chronic Health Evaluation; BSI, bloodstream infection; LOS, length of stay.