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Table 1 Baseline demographic and clinical characteristics of patients on PAMV by transfusion status

From: Anemia, transfusions and hospital outcomes among critically ill patients on prolonged acute mechanical ventilation: a retrospective cohort study

Characteristic

Transfused (n = 2,912)

Nontransfused (n = 1,432)

P value

Sex (% female)

46.8

42.9

0.018

Age (years; mean ± SD)

62.0 ± 16.5

60.4 ± 16.2

0.0014

Race (%)

   

   African American

55.5

61.9

<0.0001

   Caucasian

36.9

32.7

 

   Other

8.6

5.4

 

Chronic concomitant comorbidities, %

   

   Cardiac disease

88.0

79.8

<0.0001

   Hypertension

69.4

65.9

0.02

   Anemia

64.7

22.8

<0.0001

   Pulmonary disease

64.6

65.9

0.43

   Gastrointestinal disease

57.6

31.1

<0.0001

   Central nervous system disease

50.8

44.8

0.0002

   Cancer

39.1

26.1

<0.0001

   Immunologic disease

38.9

22.8

<0.0001

   Thromboembolic disease

38.5

30.0

<0.0001

   Renal disease

35.3

15.8

<0.0001

   Diabetes

31.6

26.1

0.0002

   Musculoskeletal disease

31.4

14.6

<0.0001

   Peripheral vascular disease

29.2

26.9

<0.0001

   Cerebrovascular disease

28.7

21.7

0.11

   Primary hematologic disease

15.2

7.5

<0.0001

  1. PAMV, prolonged acute mechanical ventilation; SD, standard deviation.