Table 1 Clinical and baseline characteristics of subjects.

From: Distinct Metabolic Endotype Mirroring Acute Respiratory Distress Syndrome (ARDS) Subphenotype and its Heterogeneous Biology

Clinical characteristics

Survivor (51)

Non-survivor (92)

Outcome study patients for serum endotype in ARDS (n = 143)

Age

43.11 ± 1.76

46.9 ± 1.68

Sex (M/F)

31/20

59/33

Primary diagnosis, (n)

Neurological (10)

Neurological (9)

Respiratory (16)

Respiratory (34)

Cardiac (5)

Cardiac (5)

Gastrointestinal (15)

Gastrointestinal (30)

Tropical infections (4)

Tropical infections (10)

Others (1)

Others (4)

Comorbidities, (n)

Diabetes mellitus (12)

Diabetes mellitus (18)

Hypertension (9)

Hypertension (12)

Diabetes + hypertension (14)

Diabetes + hypertension (28)

Hypothyroidism (4)

Hypothyroidism (9)

Chronic kidney disease (3)

Chronic kidneydisease (5)

Chronic artery disease (2)

Chronic artery disease (3)

Nil (7)

Nil (17)

APACHE-II*

13.56 ± 0.28

17.64 ± 0.29

SOFA*

7.78 ± 0.22

10.25 ± 0.20

TLC*

11.70 ± 0.73

19.94 ± 1.23

PCT*

1.87 ± 0.28

3.70 ± 0.65

Serum creatinine*

2.04 ± 0.23

2.80 ± 0.14

Bilirubin

1.40 ± 0.13

1.62 ± 0.09

Length of hospital (days) stay

21.94 ± 1.04

23.53 ± 1.11

Days of mechanical ventilation

15 ± 1.12

18.14 ± 1.01

Length of ICU stay (days)

17.92 ± 1.09

19.10 ± 1.04

Total study patients for serum analysis (n = 265)

Ā 

Control subjects (n = 68)

ARDS patients (n = 197)

Age

48.33 ± 1.91

48.87 ± 1.14

Sex

42/26

111/86

ARDS Subphenotype for serum samples

Subphenotype 1 (n = 176)

Mild (62)

Moderate (72)

Severe (42)

P/F ratio*

248.29 ± 4.1

165.22 ± 3.2

84.14 ± 2.2

Age

44.61 ± 2.1

47.125 ± 1.9

49.30 ± 2.2

Sex (M/F)

37/25

44/28

27/15

Subphenotype 2 (n = 147)

Pulmonary etiologies (67)

Extra-pulmonary etiologies (80)

Age

46.89 ± 1.91

42.63 ± 1.80

Sex (M/F)

43/24

48/32

Outcome study patients for mBALF endotype in ARDS (n = 124)

Clinical characteristics

Survivor (51)

Non-survivor (73)

Age

43.09 ± 1.81

47.78 ± 2.01

Sex (M/F)

36/15

42/31

Primary diagnosis, (n)

Neurological (8)

Neurological (6)

Respiratory (20)

Respiratory (30)

Cardiac (3)

Cardiac (1)

Gastrointestinal (13)

Gastrointestinal (24)

Tropical infections (5)

Tropical infections (9)

Others (2)

Others (3)

Comorbidities, (n)

Diabetes mellitus (10)

Diabetes mellitus (16)

Hypertension (6)

Hypertension (10)

Diabetes + hypertension (14)

Diabetes + hypertension (21)

Hypothyroidism (5)

Hypothyroidism (7)

Chronic kidneydisease (3)

Chronic kidneydisease (4)

Chronic artery disease (3)

Chronic artery disease (1)

Nil (10)

Nil (14)

APACHE*

13.96 ± 0.28

17.50 ± 0.32

SOFA*

7.09 ± 0.22

10.08 ± 0.23

TLC*

12.18 ± 0.83

20.86 ± 1.45

PCT*

1.59 ± 0.21

3.97 ± 0.82

Serum creatinine*

2.03 ± 0.23

2.83 ± 0.18

Bilirubin

1.37 ± 0.11

1.64 ± 0.10

Length of hospital (days) stay

24.8 ± 1.20

25.24 ± 1.13

Days of mechanical ventilation

16.92 ± 1.08

18.52 ± 1.09

Length of ICU stay (days)

20.27 ± 1.23

19.09 ± 1.10

Total study patients for mBALF analysis (n = 199)

Study patients

Control (n = 40)

ARDS (n = 159)

Age

47.8 ± 2.27

46.03 ± 1.24

Sex

25/15

89/70

ARDS Subphenotype for mBALF samples

Subphenotype 1 (n = 146)

Mlild (36)

Moderate (66)

Severe (44)

P/F ratio*

247.91 ± 5.6

159.18 ± 3.7

80.31 ± 2.9

Age

46.22 ± 2.8

44.9 ± 2.0

49.15 ± 2.1

Sex (M/F)

22/14

41/25

25/19

Subphenotype 2 (n = 128)

Pulmonary etiologies (60)

Extra-pulmonary etiologies (68)

Age

43.28 ± 2.0

47.55 ± 1.90

Sex (M/F)

38/22

45/23

  1. Data presented as mean + standard error.
  2. P/F Ratio: Partial pressure of oxygen to the fraction of inspired oxygen ratio.
  3. APACHE-II: Acute Physiology and Chronic Health Evaluation-II.
  4. SOFA: Sequential Organ Failure Assessment.
  5. *Indicates variables which statistically significant.