Skip to main content

Table 1 Demographic and clinical characteristics between VTE and non-VTE group

From: Interpretable machine learning models for predicting venous thromboembolism in the intensive care unit: an analysis based on data from 207 centers

Characteristics

With VTE (n = 1647)

Without VTE (n = 107,397)

p

Demographics

 Age

67.0 (55.0–76.0)

66.0 (54.0–76.0)

0.569

 Male, n (%)

882 (53.6)

58,243 (54.2)

0.583

 Body mass index, kg/m2

29.1 (24.4–35.2)

27.5 (23.5–32.9)

 < 0.001

 APACHE IV score

58.0 (43.0–80.0)

54.0 (40.0–71.0)

 < 0.001

 Past history of VTE, n (%)

457 (27.7)

4641 (4.3)

 < 0.001

 History of cancer, n (%)

346 (21.0)

15,722 (14.6)

 < 0.001

 Glasgow coma scale

14.0 (9.0–15.0)

14.0 (10.0–15.0)

0.311

Principal diagnosis on admission, n (%)

 Cardiovascular condition

347 (21.1)

29,364 (27.3)

 < 0.001

 Respiratory condition

576 (35.0)

17,329 (16.1)

 < 0.001

 Gastrointestinal condition

135 (8.2)

11,053 (10.3)

0.005

 Renal condition

22 (1.3)

1847 (1.7)

0.233

 Neurologic condition

155 (9.4)

19,485 (18.1)

 < 0.001

 Sepsis

289 (17.5)

14,925 (13.9)

 < 0.001

 Metabolic condition

28 (1.7)

4368 (4.1)

 < 0.001

 Trauma

44 (2.7)

4901 (4.6)

 < 0.001

 Other condition

51 (3.1)

4125 (3.8)

0.118

 Diagnosed diseases, n (%)

 Cancer

220 (13.4)

4792 (4.5)

 < 0.001

 Respiratory failure

759 (46.1)

26,110 (24.3)

 < 0.001

 Heart failure

247 (15.0)

10,064 (9.4)

 < 0.001

 End stage renal disease

56 (3.4)

3118 (2.9)

0.234

 Sepsis

444 (27.0)

15,543 (14.5)

 < 0.001

 Treatments, n (%)

 Mechanical ventilation

688 (41.8)

40,687 (37.9)

0.001

 Central venous catheter

298 (18.1)

15,091 (14.1)

 < 0.001

 Vasopressor

422 (25.6)

20,636 (19.2)

 < 0.001

 Sedative

630 (38.3)

40,071 (37.3)

0.434

 Transfusion of blood product

 Platelet

42 (2.6)

2301 (2.1)

0.258

 Fresh frozen plasma

102 (6.2)

3935 (3.7)

 < 0.001

 Packed red blood cells

199 (12.1)

10,250 (9.5)

0.001

 Laboratory test results

 Hematocrit, %

36.5 (31.4–41.3)

37.4 (32.5–42.0)

 < 0.001

 Hemoglobin, g/dl

11.9 (10.1–13.8)

12.3 (10.6–14.0)

 < 0.001

 Platelet, K/uL

226.0 (166.0–303.0)

221.0 (169.0–286.0)

0.007

 While blood cells, K/uL

12.9 (9.2–18.4)

12.2 (8.9–16.9)

 < 0.001

 Albumin, g/dL

3.0 (2.6–3.6)

3.4 (2.8–3.8)

 < 0.001

 Blood urea nitrogen, mg/dL

25.0 (16.0–40.0)

22.0 (15.0–36.0)

 < 0.001

 Creatinine, mg/dL

1.2 (0.9–2.0)

1.1 (0.8–1.8)

 < 0.001

 INR

1.2 (1.1–1.5)

1.4 (1.1–1.9)

 < 0.001

 PT, s

13.3 (11.5–16.2)

15.9 (13.5–21.4)

 < 0.001

 PTT, s

31.9 (27.5–39.5)

35.1 (29.4–42.6)

 < 0.001

 Total bilirubin, mg/dL

0.7 (0.5–1.1)

0.6 (0.4–1.0)

 < 0.001

 ALT, U/L

29.0 (18.0–56.0)

26.0 (17.0–45.0)

 < 0.001

 AST, U/L

32.0 (20.0–72.0)

30.0 (20.0–58.0)

 < 0.001

VTE prophylaxis method, n (%)

 Pharmacologic prophylaxis

881 (53.5)

54,782 (51.0)

0.046

 Graduated compression stockings

743 (45.1)

50,133 (46.7)

0.206

  1. VTE venous thromboembolism, BMI body mass index, GCS glasgow coma scale, ESRD end stage renal disease, CVC central venous catheter, Bun blood urea nitrogen, INR international standard ratio, PT prothrombin time, PTT partial thromboplastin time, ALT alanine aminotransferase, AST aspartate transaminase