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Table 1 Demographics and clinical characteristics of patients with different types of ARDS at the time of ARDS diagnosis

From: Comparison of community-acquired, hospital-acquired, and intensive care unit-acquired acute respiratory distress syndrome: a prospective observational cohort study

Characteristics

Total ARDS

Community-acquired ARDS

Hospital-acquired ARDS

ICU-acquired ARDS

p

(n = 296)

(n = 70)

(n = 83)

(n = 143)

Age (years)

63.0 ± 16.5

62.8 ± 19.9

62.3 ± 16.0

63.5 ± 15.2

0.855

Gender (male/female)

198/98

47/23

50/33

101/42

0.278

BMI (kg/m2)

23.6 ± 4.2

23.9 ± 3.9

23.6 ± 3.7

23.5 ± 4.6

0.811

PBW

57 ± 10

56.8 ± 8.0

56.2 ± 10.5

57.6 ± 10.6

0.580

CCI

3.4 ± 2.4

2.83 ± 2.2

3.63 ± 2.8

3.56 ± 2.2

0.068

APACHE II score

25.1 ± 6.9

26.1 ± 6.6

24.5 ± 6.9

25.0 ± 7.2

0.339

SOFA score

11.5 ± 3.8

10.7 ± 3.5

11.7 ± 4.0

11.8 ± 3.9

0.107

MOD score

9.8 ± 3.4

9.3 ± 2.9

9.9 ± 3.6

10.0 ± 3.6

0.300

Lung injury score

2.9 ± 0.5

3.1 ± 0.4

2.9 ± 0.5

3.0 ± 0.5

0.249

Tidal volume (ml/PBW)

8.4 ± 2.0

8.1 ± 1.7

8.7 ± 1.9

8.3 ± 2.1

0.241

PEEP (cm H2O)

10.2 ± 2.2

10.1 ± 2.0

9.8 ± 1.9

10.5 ± 2.5

0.078

Peak Paw (cm H2O)

29.8 ± 5.9

30.0 ± 5.2

29.6 ± 5.3

29.8 ± 6.5

0.918

pH

7.35 ± 0.11

7.33 ± 0.11

7.37 ± 0.12

7.35 ± 0.11

0.059

PaCO2 (mm Hg)

45.0 ± 17.3

44.9 ± 13.7

41.4 ± 14.9

47.2 ± 19.8

0.053

FiO2

0.8 ± 0.2

0.81 ± 0.19

0.79 ± 0.22

0.77 ± 0.23

0.082

PaO2/FiO2 (mm Hg)

129.1 ± 70.0

115.0 ± 66.4

132.3 ± 68.1

133.8 ± 72.3

 

Severity of ARDS

 Mild

51(17.2 %)

9(12.9 %)

14(16.9 %)

28(19.6 %)

0.3383

 Moderate

109(36.8 %)

24(34.3 %)

31(37.3 %)

54(37.8 %)

0.7677

 Severe

136(46.0 %)

37(52.9 %)

38(45.8 %)

61(42.7 %)

0.6242

Cause of ARDS

 Pneumonia

141

34(48.6 %)

48(57.8 %)

59(41.3 %)

0.055

 Sepsis

81

18(25.7 %)

21(25.3 %)

42(29.4 %)

0.755

 Aspiration

52

11(15.7 %)

19(22.9 %)

22(15.9 %)

0.323

 Major surgery

8

2(2.9 %)

3(3.6 %)

3(2.1 %)

0.733

 Acute pancreatitis

6

1(1.4 %)

1(1.2 %)

4(2.8 %)

0.872

 Others

8

2(2.9 %)

2(2.4 %)

4(2.8 %)

1.000

Components of CCI

 Myocardial infarct

10

1(1.4 %)

3(3.6 %)

6(4.2 %)

0.570

 CHF

29

8(11.4 %)

9(10.8 %)

12(8.4 %)

0.729

 Peripheral vascular disease

11

4(5.7 %)

2(2.4 %)

5(3.5 %)

0.550

 Cerebrovascular disease

91

25(35.7 %)

24(28.9 %)

42(29.4 %)

0.562

 Dementia

6

3(4.3 %)

1(1.2 %)

2(1.4 %)

0.306

 Chronic pulmonary disease

31

11(15.7 %)

7(8.4 %)

13(9.1 %)

0.258

 Connective tissue disease

1

0(0 %)

1(1.2 %)

0(0 %)

0.276

 Ulcer disease

47

6(8.6 %)

13(15.7 %)

28(19.6 %)

0.118

 Mild liver disease

12

1(1.4 %)

3(3.6 %)

8(5.6 %)

0.341

 Diabetes without end organ damage

80

21(30 %)

17(20.5 %)

42(29.4 %)

0.284

 Hemiplegia or paraplegia

16

5(7.1 %)

3(3.6 %)

8(5.6 %)

0.542

 Moderate to severe renal disease

88

25(35.7 %)

18(21.7 %)

45(31.5 %)

0.137

 Diabetes with end organ damage

3

0(0.0 %)

1(1.2 %)

2(1.4 %)

0.472

 Any tumor without metastasis

44

8(11.4 %)

15(18.1 % )

21(14.7 %)

0.514

 Leukemia

2

0(0 %)

0(0 %)

2(1.4 %)

0.341

 Lymphoma

4

0(0 %)

1(1.2 %)

3(2.1 %)

0.616

 Moderate to severe liver disease

47

0(0.0 %)

16(19.3 %)

31(21.7 %)

0.000*

 Metastatic solid tumor

41

5(7.1 %)

17(20.5 %)

19(13.3 %)

0.057

 AIDS

2

2(2.9 %)

0(0.0 %)

0(0.0 %)

0.039*

  1. Abbreviations: ARDS acute respiratory distress syndrome, ICU intensive care unit, BMI body mass index, PBW predict body weight, CCI Charlson comorbidity index, APACHE acute physical and chronic health evaluation, SOFA sequential organ function assessment, MOD multiple organ dysfunction, Paw airway pressure, PaO2/FiO2 alveolar oxygen pressure/fraction of inspiratory oxygen, PEEP positive end expiratory pressure, CHF congestive heart failure, AIDS acquired immunodeficiency syndrome
  2. All values are expressed as No. of patients (%) or mean ± SD
  3. *p < 0.05: Community-acquired ARDS vs. hospital-acquired ARDS vs. ICU-acquired ARDS
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Critical Care

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