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Table 1 Patient characteristics

From: The global inhomogeneity index assessed by electrical impedance tomography overestimates PEEP requirement in patients with ARDS: an observational study

 

ARDS

Control

p-value

Number of patients (%)

28 (62)

17 (38)

 

Sex, M/F

17/11

14/3

 

APACHE II (SD)

28 (8)

17 (5)

< 0.001*

Age, years (SD)

63 (16)

66 (14)

0.527

BMI, kg/m2 (SD)

26 (5)

27 (5)

0.507

Tidal volume, ml/kg PBW (SD)

7.7 (2.1)

7.2 (1.1)

0.372

PaO2/FiO2, mmHg (SD)

137 (49)

339 (73)

< 0.001*

Set PEEP, mmHg (SD)

12.2 (2.6)

7.9 (0.5)

< 0.001*

FiO2, % (SD)

0.67 (0.19)

0.39 (0.07)

< 0.001*

Cdyn, ml/cmH2O (SD)

43 (20)

54 (15)

0.0499*

Type of admission

 Post CTS, n (%)

 

17 (38)

 

 Pneumonia, n (%)

16 (36)

  

 Sepsis, n (%)

9 (20)

  

 Other, n (%)

3 (7)

  

ARDS

 Mild, n (%)

2 (7)

  

 Moderate, n (%)

19 (68)

  

 Severe, n (%)

7 (25)

  
  1. Data are presented as means ±SD and as the number of patients (%), where appropriate. APACHE II, Acute Physiology And Chronic Health Evaluation II; BMI, body mass index; PBW, predicted body weight; PEEP, positive end-expiratory pressure; Cdyn, dynamic respiratory system compliance; CTS, postoperative cardiothoracic surgery patients; ARDS, acute respiratory distress syndrome. (* p < 0.05)
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BMC Anesthesiology

ISSN: 1471-2253

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