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Table 1 Patient demographics

From: Echocardiographic estimation of mean pulmonary artery pressure in critically ill patients

 

Measurable TR envelope (n = 23)

Unmeasurable TR envelope (n = 30)

p valuea

All participants (n = 53)

Age (years), mean (SD)

65.4 (16.7)

66.3 (15.1)

0.823

65.9 (15.7)

Male, n (%)

9 (39%)

22 (73%)

0.026

31 (59%)

BMI, mean (SD)

26.4 (4.3)

28.4 (6.0)

0.178

27.5 (5.4)

Chest wall AP diameter (cm), mean (SD)

20 (2.6)

22.3 (3.3)

0.008

21.32 (3.25)

Diagnostic category, n (%)

    

 Cardiothoracic surgery

9 (39%)

11 (37%)

 

20 (38%)

 Cardiac

8 (35%)

11 (37%)

 

19 (36%)

 Sepsis

3 (13%)

5 (17%)

 

8 (15%)

 Liver transplant

1 (4%)

2 (7%)

 

3 (6%)

 Other

2 (9%)

1 (3%)

0.920

3 (6%)

APACHE IIIj, mean (SD)

81.0 (24.4)

79.5 (25.9)

0.840

80.2 (25)

ICU length of stay at time of assessment (days), mean (SD)

3.9 (3.7)

4.6 (4.3)

0.537

4 (4)

PaO2:FiO2, mean (SD)

264.9 (117.5)

236.2 (85.7)

0.454

244.5 (94.8)

Mechanically ventilated, n (%)

9 (39%)

22 (73%)

0.026

31 (59%)

Mode of mechanical ventilation, n (%)

    

 SIMV + PSV

1 (11%)

5 (23%)

 

6 (19%)

 PSV

8 (89%)

17 (77%)

0.642

25 (81%)

  1. TR, tricuspid regurgitation; BMI, body mass index; AP, anteroposterior; APACHE IIIj, acute physiology and chronic health evaluation version IIIj; ICU, intensive care unit; PaO2, partial pressure of arterial oxygen; FiO2, fraction of inspired oxygen; SIMV, synchronised intermittent mandatory ventilation; PSV, pressure support ventilation. aComparing measurable vs unmeasurable TR envelope.