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Table 1 Demographics, clinical characteristics, laboratory data, treatments, complications, and prognosis of DVT versus non-DVT patients with ARDS caused by bacterial pneumonia

From: Deep vein thrombosis in acute respiratory distress syndrome caused by bacterial pneumonia

Variables

Total (n = 90)

DVT (n = 40)

Non-DVT (n = 50)

P value

Age (years)

68 (57, 78)

71 (60, 80)

66 (51, 77)

0.150

Male, n (%)

69 (76.6)

30 (75.0)

39 (78.0)

0.738

BMI

23.8 ± 4.0

23.0 ± 3.9

24.4 ± 3.8

0.088

Bedridden time (days)

10 (6, 18)

9 (5, 19)

11 (7, 18)

0.603

CKD, n (%)

6 (6.7)

1 (2.5)

5 (10.0)

0.221

Wells score

1 (1, 1)

1 (1, 1)

1 (1, 2)

0.166

Padua prediction score

6 (5, 6)

6 (5, 6)

5 (5, 6)

0.481

Caprini score

7 (6, 9)

7 (5, 9)

7 (6, 9)

0.776

APACHE II score

22 (19, 28)

22 (18, 29)

23 (19, 28)

0.897

SIRS score

15 (13, 16)

15 (13, 17)

14 (13, 15)

0.016

 ≤ 15, n (%)

60 (66.7)

21 (52.5)

39 (78.0)

0.011a

  > 15, n (%)

30 (33.3)

19 (47.5)

11 (22.0)

 

Coagulation function index

D-dimer (mg/L)

2.0 (0.9, 4.7)

2.8 (0.9, 6.1)

1.9 (0.7, 2.8)

0.035

PT (s)

13.9 (12.1, 16.0)

14.4 (12.2, 15.9)

13.5 (11.9, 16.2)

0.649

APTT (seconds)

32.3 (29.2, 36.0)

32.7 (29.0, 35.6)

31.9 (29.3, 36.9)

0.805

Scr (μmol/L)

89.8 (66.0, 194.6)

77.3 (56.4, 128.5)

121.6 (71.4, 235.5)

0.006

PAH, n (%)

32 (38.6)

15 (40.5)

17 (37.0)

0.739

PASP (mmHg)b

45.2 ± 13.1

50.2 ± 13.0

40.8 ± 11.9

0.041

Treatments

CVC, n (%)

35 (38.9)

16 (40.0)

19 (38.0)

0.847

Sedative therapy, n (%)

40 (44.4)

23 (57.5)

17 (34.0)

0.026

CRRT, n (%)

10 (11.1)

3 (7.5)

7 (14.0)

0.502

HFNO, n (%)

5(5.6)

4(10.0)

1(2.0)

0.167

MV, n (%)

68 (75.6)

33 (82.5)

35 (70.0)

0.170

IMV, n (%)

54 (60.0)

32 (80.0)

22 (44.4)

0.001

Duration of IMV (days)

3 (2, 6)

4 (2, 6)

3 (2, 7)

0.927

NIV, n (%)

37 (41.1)

13 (32.5)

24 (48.0)

0.138

VTE prophylaxis, n (%)

41 (45.6)

17 (42.5)

24 (48.0)

0.603

LMWH, n (%)

35 (38.9)

14 (35.0)

21 (42.0)

0.498

LMWH + physical prophylaxis, n (%)

26 (28.9)

13 (32.5)

13 (26.0)

0.499

PaO2/FiO2

132 ± 60

122 ± 57

141 ± 61

0.141

Mild, n (%)

16 (17.8)

4 (10.0)

12 (24.0)

0.178a

Moderate, n (%)

40 (44.4)

18 (45.0)

22 (44.0)

 

Severe, n (%)

34 (37.8)

18 (45.0)

16 (32.0)

 

Major complications

AKI, n (%)

46 (51.1)

17 (42.5)

29 (58.0)

0.144

ACI, n (%)

39 (43.3)

14 (35.0)

25 (50.0)

0.154

Coagulation dysfunction, n (%)

82 (91.1)

39 (97.5)

43 (86.0)

0.071

Septic shock, n (%)

39 (43.3)

18 (45.0)

21 (42.0)

0.775

ALI, n (%)

43 (47.8)

20 (50.0)

23 (46.0)

0.706

Number of US scan

1 (1, 2)

1 (1, 2)

1 (1, 2)

0.904

Duration to DVT or last negative US scan (days)

5 (2, 12)

5 (2, 10)

5 (2, 13)

0.797

Mortality, n (%)

38 (42.2)

18 (45.0)

20 (40.0)

0.633

  1. Data are the mean ± SD, median (IQR) or n (%). P values comparing DVT and non-DVT were from the 2-sample t test, χ2 test, Fisher’s exact test or Mann–Whitney U test. P < 0.05 was considered statistically significant
  2. ARDS, acute respiratory distress syndrome; DVT, deep vein thrombosis; BMI, body mass index; CKD, chronic kidney disease; APACHE II, Acute Physiology and Chronic Health Evaluation; SIRS, systemic inflammatory response syndrome; PT, prothrombin time; APTT, activated partial thromboplastin time; Scr, serum creatinine; PAH, pulmonary hypertension; PASP, pulmonary artery systolic pressure; CVC, central venous catheterization; CRRT, continuous renal replacement therapy; HFNO, high-flow nasal oxygen; MV, mechanical ventilation; IMV, invasive mechanical ventilation; NIV, non-invasive mechanical ventilation; VTE, venous thromboembolism; LMWH, low molecular weight heparin; PaO2, partial pressure of arterial oxygen; FiO2, fraction of inspired oxygen; Mild, 200 mmHg < PaO2 /FiO2 ≤ 300 mmHg; Moderate, 100 mmHg < PaO2/FiO2 ≤ 200 mmHg; Severe, PaO2 /FiO2 ≤ 100 mmHg; AKI, acute kidney injury; ACI, acute cardiac injury; ALI, acute liver injury; US, ultrasonic; IQR, interquartile range; SD, standard deviation
  3. aχ2 test or Fisher’s exact test comparing all subcategories
  4. b35.6% (32/90) of patients for whom PASP was available, with 15 patients in the DVT group and 17 patients in the non-DVT group