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Table 1 Study population according to hospital mortality (N (%)—median [IQR 25–75])

From: Increased mortality in hematological malignancy patients with acute respiratory failure from undetermined etiology: a Groupe de Recherche en Réanimation Respiratoire en Onco-Hématologie (Grrr-OH) study

(N (%)—median [IQR 25–75])

Alive at hospital discharge (n = 349)

Patients who died (n = 255, 42%)

p value

Age (year)

60 [50–69]

61 [51–71]

0.43

Malignancy

   

 Acute myeloid leukemia

90 (25.8%)

78 (30.6%)

0.37

 Non-Hodgkin lymphoma

96 (27.5%)

68 (26.7%)

 

 Myeloma

49 (14%)

32 (12.5%)

 

 Chronic lymphocytic leukemia

32 (9.2%)

23 (9%)

 

 Acute lymphoblastic leukemia

19 (5.4%)

19 (7.4%)

 

 Myelodysplastic syndrome

18 (5.2%)

12 (4.7%)

 

 Hodgkin’s disease

14 (4%)

4 (1.6%)

 

 Others

31 (8.9%)

19 (7.5%)

 

Disease status at admission

   

 Earliest phase

120 (34.4%)

88 (34.5%)

0.86

 Progression

137 (39.3%)

103 (40.4%)

 

 Complete or partial remission

83 (23.8%)

55 (21.6%)

 

 Unknown

9 (2.5%)

9 (3.5%)

 

Stem cell transplantation

   

 Autologous

39 (11.2%)

23 (9.1%)

0.03

 Allogeneic

50 (14.3%)

57 (22.4%)

 

Poor performance status

55 (15.8%)

69 (27.1%)

0.001

Time from hospital to ICU admission >24 h

159 (46%)

96 (38%)

0.061

Neutropenia

85 (24.4%)

97 (38%)

0.0004

Respiratory rate at admission (/min)

32 [25–37]

35 [25–39]

0.002

Invasive mechanical ventilation at day 1

107 (30.7%)

143 (56.1%)

<0.0001

SOFA score >7

108 (32.2%)

162 (66.7%)

<0.0001

ARF etiologies

   

 Infectious etiologies

162 (46.4%)

106 (41.6%)

<0.0001

  Clinically documented

60 (17.2%)

21 (8.2%)

 

  Bacterial infection

56 (16%)

54 (21.2%)

 

  Viral infection

16 (4.6%)

8 (3.2%)

 

  Other

30 (8.6%)

23 (9%)

 

 Non-infectious lung involvement

127 (36.4%)

69 (27.1%)

 

  Malignant infiltrate

25 (7.2%)

18 (7.1%)

 

  Drug-related lung toxicity

4 (1.1%)

0 (0%)

 

  Cardiac pulmonary edema

48 (13.8%)

17 (6.7%)

 

  Other

50 (14.3%)

34 (13.3%)

 

 Opportunistic infections

28 (8%)

34 (13.3%)

 

  Invasive pulmonary aspergillosis

6 (1.7%)

24 (9.4%)

 

  Pneumocystis jirovecii infections

18 (5.1%)

4 (1.6%)

 

  Other invasive fungal infections

3 (0.9%)

2 (0.7%)

 

  Other

1 (0.3%)

4 (1.6%)

 

 Undetermined

32 (9.2%)

46 (18%)

 
  1. Results were expressed as median and 25th and 75th quartiles [Q1–Q3] for quantitative data and numbers and percentages for categorical data. Marginal association between single variables and outcome was assessed by Wilcoxon rank-sum tests for quantitative variables and Fisher’s exact test or Chi-square test with Yates continuity correction for categorical variables when Fisher’s exact test was computationally impossible
  2. CR complete remission, NA not available, PR partial remission, IQR inter-quartile range