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Table 2 Study characteristics for ARDS mortality

From: A systematic review of biomarkers multivariately associated with acute respiratory distress syndrome development and mortality

Study

Study design

Setting

ARDS definition

Outcome

Total (n)

Non-survivors (n)

Age

Gender, male n (%)

Variables in multivariate analysis

Sample moment

Adamzik 2013 [58]

Prospective cohort

Single centre

AECC

30 days

47

17

44 ± 13

32 (68. 1%)

SAPS II score, gender, lung injury score, ECMO, CVVHD, BMI, CRP, procalcitonin

Within 24 h following ICU admission

Ahasic 2012 [24]

Prospective cohort

Multicentre

AECC

60 days

175

78

60.7 ± 17.6

102 (58.3%)

Gender, BMI, cirrhosis, Diabetes, need for red cell transfusion, sepsis, septic shock, trauma

Within 48 h following ICU admission

Amat 2000 [26]

Prospective cohort

Two centre

AECC ARDS

1 month after ICU discharge

21

11

54 ± 16

15 (71.4%)

Not specified

Day 0 ICU

Bajwa 2008 [59]

Prospective cohort

Single centre

AECC

60 day

177

70

68.3 ± 15.3

99 (55.9%)

APACHE III score

Within 48 h following ARDS onset

Bajwa 2009 [60]

Prospective cohort

Single centre

AECC

60 days

177

70

62.5 (IQR 29.0)

100 (56.5%)

APACHE III score

Within 48 h following ARDS onset

Bajwa 2013 [61]

RCT (FACTT)

Multicentre

AECC

60 days

826

NR

48 (38–59 IQR)

442 (53.5%)

APACHE III score

Days 0 and 3

Calfee 2008 [62]

RCT (ARMA)

Multicentre

AECC

180 days

676

NR

51 ± 17

282 (41.7%)

Age, gender, APACHE III score, sepsis, or trauma

Day 0

Calfee 2009 [63]

RCT (ARMA)

Multicentre

AECC

Hospital

778

272

51 ± 17

459 (59.0%)

Age, PaO2/FiO2, APACHE III score, sepsis or trauma

Day 0

Calfee 2011 [64]

RCT (ARMA)

Multicentre

AECC

90 days

547

186

50 ± 16

227 (41.5%)

APACHE III score, tidal volume

Day 0

Calfee 2012 [65]

RCT (FACTT)

Multicentre

AECC

90 days

931

261

50 ± 16

498 (53.5%)

Age, APACHE III score, fluid management strategy

Day 0

Calfee 2015 [66]

Prospective cohort

Single centre

AECC

Hospital

100

31

58 ± 11

52 (52.0%)

APACHE III score

Day 2 following ICU admission

Calfee 2015 [66]

RCT (FACTT)

Multicentre

AECC

90 days

853

259

51 ± 15

444 (52.1%)

APACHE III score

Within 48 h following ARDS onset

Cartin-Ceba 2015 [67]

Prospective cohort

Single centre

AECC

In-hospital

100

36

62.5 (51–75 IQR)

54 (54.0%)

Acute physiology score of APACHE III score, DNR status, McCabe score

Within 24 h following diagnosis

Chen 2009 [68]

Prospective cohort

Single centre

*

28 days

59

26

62 ± 19

35 (59.3%)

APACHE II score, biomarkers

Within 24 h following diagnosis

Clark 1995 [69]

Prospective cohort

Single centre

**

Mortality

117

48

43.4 ± 15.4

75 (64.1%)

Lung injury score, risk factor for ARDS, lavage protein concentration

Day 3 following disease onset

Clark 2013 [70]

RCT (FACTT)

Multicentre

AECC

60 days

400

106

47 (37–57 IQR)

210 (52.5%)

Age, gender, ethnicity, baseline serum creatinine, ARDS risk factor

Day 1 following inclusion

Dolinay 2012 [71]

Prospective cohort

Single centre

AECC

In-hospital

28

17

54 ± 14.5

13 (46.4%)

APACHE II score

Within 48 h following ICU admission

Eisner 2003 [72]

RCT (ARMA)

Multicentre

AECC

180 days

565

195

51 ± 17

332 (58.8%)

Ventilation strategy, APACHE III score, PaO2/FiO2, creatinine, platelet count

Day 0 following inclusion

Forel 2015 [73]

Prospective cohort

Multicentrer

Berlin < 200 mmHg

ICU

51

NR (for ICU)

60 ± 13

40 (78.4%)

Lung injury score

Day 3

Forel 2018 [74]

Prospective cohort

Single centre

Berlin < 200 mmHg

60 days

62

21

59 ± 15

47 (75.8%)

Gender, SOFA score, LIS score

Day 3 following onset of ARDS

Guervilly 2011 [75]

Prospective cohort

Single centre

AECC

28 days

52

21

58 ± 17

39 (75.0%)

Not specified

Within 24 h following diagnosis

Kim 2019 [76]

Retrospective cohort

Single centre

Berlin

In-hospital

97

63

67.2 (64.3–70.1)

63 (64.3%)

APACHE II score, SOFA score, SAPS II score

Within 48 h following admission

Lee 2019 [77]

Retrospective cohort

Single centre

Berlin

In-hospital

237

154

69 (61–74 IQR)

166 (70.0%)

Age, diabetes mellitus, non-pulmonary source, APACHE II score, SOFA

Within 24 h following intubation

Lesur 2006 [78]

Prospective cohort

Multicentre

AECC

28 days

78

29

63 ± 16

48 (61.5%)

Age, PaCO2, APACHE II score

Within 48 h following onset of ARDS

Li 2019 [79]

Retrospective cohort

Single centre

Berlin

28 days

224

70

64 (46–77 IQR)

140 (62.5%)

APACHE II score, age, gender, BMI, smoking status, alcohol abusing status, risk factors, comorbidities

Within 24 h following ICU admission

Lin 2010 [80]

Prospective cohort

Single centre

AECC ARDS

28 days

63

27

75 (57–83 IQR)

38 (60.3%)

Age, lung injury score, SOFA score, APACHE II score, CRP, biomarkers

Within 24 h following ARDS onset

Lin 2012 [81]

Prospective cohort

Single centre

AECC

30 days

87

27

61 (56–70 IQR)

42 (48.3%)

APACHE II, Lung injury score, creatinine, biomarkers

At inclusion

Lin 2013 [82]

Prospective cohort

Single centre

AECC

30 days

78

22

63 (54–68 IQR)

45 (57.7%)

Age, APACHE II score, Lung injury score, PaO2/FiO2

Within 10 h following diagnosis

Madtes 1998 [83]

Prospective cohort

Single centre

***

In-hospital

74

33

38 (19–68 Range)

50 (67.6%)

Age, PCP III levels, neutrophils, lung injury score

Day 3 following ARDS onset

McClintock 2006 [84]

RCT (ARMA)

Multicentre

AECC

Mortality

579

NR

51 ± 17

333 (57.5%)

Ventilator group assignment

Day 0 following inclusion

McClintock 2007 [85]

RCT (ARMA)

Multicentre

AECC

Mortality

576

NR

52 ± 17

328 (56.9%)

Gender, ventilator group assignment, eGFR, age, APACHE III score, vasopressor use, sepsis

Day 0 following inclusion

McClintock 2008 [86]

Prospective cohort

Two centre

AECC

In-hospital

50

21

55 ± 16

28 (56.0%)

Age, gender, SAPS II

Within 48 h following diagnosis

Menk 2018 [87]

Retrospective cohort

Single centre

Berlin

ICU

404

182

50 (37–61 IQR)

265 (65.6%)

Age, gender, APACHE II score, SOFA, severe ARDS, peak airway pressure, pulmonary compliance

Within 24 h following admission

Metkus 2017 [88]

RCT (ALVEOLI, FACTT)

Multicentre

AECC

60 days

1057

NR

50.4

549 (51.9%)

Age, gender, trial group assignment

Within 24 h following inclusion

Mrozek 2016 [89]

Prospective cohort

Multicentre

AECC

90 days

119

42

57 ± 17

82 (68.9%)

Age, gender, SAPS II score, PaO2/FiO2, sepsis

Within 24 h following inclusion

Ong 2010 [90]

Prospective cohort

Two centre

AECC

28-day in-hospital

24

NR

51 ± 21

30 (53.6%)

Age, gender, PaO2/FiO2, tidal volume, plateau pressure, APACHE II score

At inclusion

Parsons 2005 [91]

RCT (ARMA)

Multicentre

AECC

180 days or discharge

562

196

NR

NR

Ventilation strategy, APACHE III score, PaO2/FiO2, creatinine, platelet count, vasopressor use

At inclusion

Parsons 2005 [92]

RCT (ARMA)

Multicentre

AECC

In-hospital

781

276

51.6 ± 17.3

319 (40.1%)

Ventilation strategy, APACHE III score, PaO2/FiO2, creatinine, platelet count, vasopressor use

Day 0

Quesnel 2012 [93]

Prospective cohort

Single centre

AECC

28 days

92

37

67 (49–74 IQR)

61 (66.3%)

Age, SAPS II score, malignancy, SOFA score, BAL characteristics

NR

Rahmel 2018 [94]

Retrospective cohort

Single centre

AECC

30 days

119

37

43.7 ± 13.3

71 (59.7%)

Age, SOFA score

Within 24 h following admission

Reddy 2019 [95]

Prospective cohort

Single centre

Berlin

30 days

39

19

55 (47.5-61.5)

25 (64.1%)

Not specified

Within 24 h of ARDS diagnosis

Rivara 2012 [96]

Prospective cohort

Single centre

AECC

60 days

177

70

71.5 (59–80 IQR)

98 (55.4%)

APACHE III score

Within 48 h following diagnosis

Rogers 2019 [97]

RCT (SAILS)

Multicentre

AECC

60 days

683

NR

56 (43–65)

335 (49.0%)

Age, race, APACHE III score, GFR, randomization, shock

Within 48 h following ARDS diagnosis

Sapru 2015 [98]

RCT (FACTT)

Multicentre

AECC

60 days

449

109

49.8 ± 15.6

242 (53.9%)

Age, gender, APACHE III score, pulmonary sepsis, fluid management strategy

Upon inclusion

Suratt 2009 [99]

RCT (ARMA)

Multicentre

AECC

In-hospital

645

222

51 ± 17

381 (59.1%)

Ventilation strategy, age, gender

Day 0

Tang 2014 [100]

Prospective cohort

Multicentre

Berlin

In-hospital

42

20

72.5 ± 10.8

27 (64.3%)

APACHE II score, PaO2/FiO2, CRP, WBC, procalcitonin

Within 24 h following diagnosis

Tsangaris 2009 [101]

Prospective cohort

Single centre

AECC

28 days

52

27

66.1 ± 16.9

32 (59.6%)

APACHE II score, age, genotype

Within 48 h following admission

Tsangaris 2017 [102]

Prospective cohort

Single centre

NR

28 days

53

28

64.6 ± 16.8

33 (62.3%)

Lung injury score

Within 48 h following diagnosis

Tsantes 2013 [103]

Prospective cohort

Single centre

AECC

28 days

69

34

64.4 ± 17.9

43 (62.3%)

Age, gender, APACHE II score, SOFA score, pulmonary parameters, serum lactate

Within 48 h following diagnosis

Tseng 2014 [104]

Prospective cohort

Single centre

AECC ARDS

ICU

56

16

70.6 ± 9.2

31 (55.4%)

APACHE II score, SOFA score, SAPS II score

Day 1 following ICU admission

Wang 2017 [105]

Prospective cohort

Multicentre

Berlin

60 days

167

62

76.5 (19–95 range)

112 (67.1%)

Age, gender, APACHE II score

Day 1 following diagnosis

Wang 2018 [106]

Retrospective cohort

Single centre

AECC

Mortality

247

146

62 (48–73 IQR)

162 (65.6%)

Age, cirrhosis, creatinine, PaO2/FiO2

Within 24 h following diagnosis

Ware 2004 [107]

RCT (ARMA)

Multicentre

AECC

In-hospital

559

193

51 ± 17

332 (59.4%)

Ventilator strategy, APACHE III score, PaO2/FiO2, creatinine, platelet count

Day 0 of inclusion

Xu 2017 [108]

Retrospective cohort

Single centre

Berlin

28 days

63

27

54 (42–67 IQR)

37 (58.7%)

APACHE II score, PaO2/FiO2, procalcitonin

Within 48 following admission

    

Total†

15,344

3914

    
      

36.0%

    
  1. *Respiratory failure requiring positive pressure ventilation, PF ratio < 200 mmHg, bilateral pulmonary infiltration on chest X-ray, no clinical evidence of left atrial hypertension
  2. **PF ratio < 150 mmHg, PF < 200 mmHg with 5 PEEP, diffuse parenchymal infiltrates, pulmonary artery wedge pressure < 18 mmHg, no clinical evidence of congestive heart failure
  3. ***PF ratio < 150 mmHg, PF ratio < 200 mmHg with 5 cmH2O PEEP, diffuse parenchymal infiltrates, pulmonary artery wedge pressure < 18 mmHg, or no clinical evidence of congestive heart failure
  4. †Some studies included patients from the same cohort
  5. Abbreviations: AECC American European Consensus Conference definition of ARDS, APACHE acute physiology and chronic health evaluation, ARDS acute respiratory distress syndrome, BAL bronchoalveolar lavage, BMI body mass index, CRP C-reactive protein, CVVHD continuous veno-venous haemodialysis, DNR do not resuscitate, ECMO extra corporeal membrane oxygenation, eGFR estimated glomerular filtration rate, FiO2 fraction of inspired oxygen, ICU intensive care unit, PCP procollagen, No. number, SAPS simplified acute physiology score, SOFA sequential organ failure assessment, WBC white blood cell count