Table 1 Patient characteristics by ARDS status

Age (median, IQR)

63 (55, 72)

58 (52, 68)

0.09

Female sex (n, %)

35 (39)

31 (42)

0.64

White race (n, %)

48 (53)

41 (56)

0.72

Tobacco use (n, %)

0.81

 Never smoker

24 (27)

22 (30)

 Ever smoker

54 (60)

39 (53)

 Current smoker

9 (10)

8 (11)

 Unknown

3 (3)

4 (5)

BMI (median, IQR)

23.6 (20.3, 28.6)

25.6 (21.3, 31.0)

0.15

Weight class (n, %)

0.14

 BMI ≤18.5 kg/m²

11 (12)

8 (11)

 BMI 18.5–25 kg/m²

43 (48)

23 (32)

 BMI 25–30 kg/m²

18 (20)

19 (26)

 BMI ≥30 kg/m²

18 (20)

23 (32)

History of diabetes (n, %)

37 (41)

21 (28)

0.10

History of chronic liver disease (n, %)

4 (4)

14 (19)

0.003

History of chronic kidney disease (n, %)

9 (10)

9 (12)

0.66

Immunocompromised (n, %)

44(49)

38 (52)

0.69

History of organ transplantation (n, %)

8 (9)

4 (6)

0.42

Pulmonary source of sepsis (n, %)

25 (28)

38 (52)

0.002

Shock on Admission (n, %)

51 (57)

54 (74)

0.03

APACHE III (median, IQR)

72 (61, 90)

85 (73, 98)

0.003

30-day mortality (n, %)

28 (32)

54 (74)

<0.001