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Table 1 Characteristics of the study population on intensive care unit admission

From: Patterns of diaphragm function in critically ill patients receiving prolonged mechanical ventilation: a prospective longitudinal study

 

Diaphragm dysfunction on admission

n = 23

No diaphragm dysfunction on admission

n = 20

p

Persistent dysfunction

n = 14

Improving dysfunction

n = 9

ICU-acquired dysfunction

n = 11

No dysfunction

n = 9

Age (years)

75 (54–78)

58 (48–70)

62 (54–72)

59 (53–79)

0.508

Gender (M)

8 (57)

3 (33)

7 (63)

6 (66)

0.515

BMI (kg/m2)

27.1 (23.8–29.1)

22.4 (19.4–24.7)

25.1 (23.8–30.2)

24.4 (23.8–26.1)

0.095

SAPS II

55 (48–70)

61 (32–71)

45 (44–57)

49 (47–53)

0.510

Type of admission: medical [n (%)]

10 (71)

8 (89)

8 (73)

7 (78)

0.859

Indication for MV

    

0.069

 Shock [n (%)]

1 (7)

1 (13)

0

0

 Coma [n (%)]

3 (21)

0

5 (45)

6 (67)

 ARF [n (%)]

10 (71)

8 (88)

6 (55)

3 (38)

  1. Continuous variables are expressed as median (interquartile range), and categorical data are expressed as number (%)
  2. ICU intensive care unit, BMI body mass index, SAPS simplified acute physiology score, MV mechanical ventilation