Table 5 Basline characteristics of patients from the trauma cohort

Age^c

238

44.7 (30.8, 58.2)

46.8 (29.8, 56.8)

46.2 (30.4, 57.8)

0.651^a

Female gender (%)

238

35 (29)

33 (28)

68 (29)

0.883^b

Smoking (%)

194

0.370^b

Never

36 (35)

30 (33)

66 (34)

Former

8 (8)

3 (3)

11 (6)

Current

60 (58)

57 (63)

117 (60)

Diabetes (%)

238

16 (13)

16 (13)

32 (13)

1^b

Summer season (%)

238

48 (40)

48 (40)

96 (40)

1^b

Day length hours (IQR)^c

238

12.6 (10.8, 13.8)

12.6 (10.7, 13.9)

12.6 (10.8, 13.9)

0.331^a

APACHE II score (IQR)

238

26.0 (21.5, 29.5)

24.0 (19.0, 27.5)

25.0 (20.0, 29.0)

0.078^a

ISS^c (IQR)

204

29.0 (24.0, 35.8)

29.0 (22.0, 36.0)

29.0 (23.5, 36.0)

0.993^a

Number of non-pulmonary organ failures (%)

238

0.645^a

0

42 (35)

49 (41)

91 (38)

1

61 (51)

52 (44)

113 (47)

2

13 (11)

15 (13)

28 (12)

3

3 (3)

3 (3)

6 (3)

Days of ICU stay (IQR)

238

11.0 (7.0, 18.5)

9.0 (5.0, 16.0)

10.0 (6.0, 18.0)

0.155^a

Hospital mortality (%)

238

10 (8)

13 (11)

23 (10)

0.663^b

One-year mortality (%)

238

20 (17)

25 (21)

45 (19)

0.511^b

Risk factors for ALI/ARDS

235

Severe trauma

116 (99)

116 (99)

232 (99)

Aspiration

2 (2)

0 (0)

2 (1)

Other or None^d

0 (0)

1 (1)

1 (1)

Patients on ventilator

115 (97)

115 (97)

230 (97)

1^b

25-OHD (nmol/L) (IQR)

237

54.9 (38.3, 72.5)

50.8 (36.9, 69.8)

53.4 (37.2, 71.9)

0.302^a

Vitamin D Status (%)

237

0.606^b

Deficiency (< 50 nmol/L)

54 (45)

59 (50)

113 (48)

Insufficiency (50 to 75 nmol/L)

37 (31)

38 (32)

75 (32)

Sufficiency (> 75 nmol/L)

28 (24)

21 (18)

49 (21)