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Table 2 Main differences between and survival rates in patients discharged from the ICU

From: Risk factors for post-ICU red blood cell transfusion: a prospective study

 

RBC transfusion (n = 47)

No RBC transfusion (n = 381)

P valuea

Female

33 (70%)

174 (46%)

0.038

Age (years)

55.3 ± 18.9

50.4 ± 18.4

0.021

Medical history

   

   Respiratory disease

5 (11%)

107 (28%)

0.010

   Hypertension

11 (23%)

48 (13%)

0.043

   Malignancy

13 (28%)

35 (9%)

<0.001

Diagnosis of admission

   

   Pulmonary disease

1 (2)

115 (28)

<0.001

   Poisoning

0 (0)

49 (13)

0.009

   Sepsis

18 (38)

43 (11)

<0.001

SAPS II

40.1 ± 11

33.2 ± 16.1

0.004

LOD score on admission

4.0 ± 2.3

3.1 ± 2.8

0.047

LOD score at ICU discharge

1.7 ± 1.5

0.6 ± 1.6

<0.001

Treatment provided in the ICU

   

   Vasoactive drugs

18 (38)

89 (23)

0.026

Haemoglobin level on admission (g/dl)

8.6 ± 1.2

11.8 ± 2.4

<0.001

Haemoglobin level at ICU discharge (g/dl)

7.5 ± 0.8

11.2 ± 2.0

<0.001

Length of stay in the ICU (days)

4.8 ± 3.0

5.4 ± 6.2

0.047

In-hospital outcome

   

   Alive

43 (91)

353 (93)

0.56

  1. Data are expressed as number (percentage) or mean ± standard deviation. aDependent two-tailed t-test. ICU, intensive care unit; LOD, Logistic Organ Dysfunction; SAPS, Simplified Acute Physiology Score.