Table 1 Patient characteristics (n = 587).

From: Risk factors for totally implantable access ports-associated thrombosis in pediatric oncology patients

Characteristics

VTE (+) n (%)

VTE (−) n (%)

Total n (%)

P-value

Gender

   

0.277

 Male

77 (53.8)

262 (59.0)

339 (57.8)

 

 Female

66 (46.2)

182 (41.0)

248 (42.2)

 

Age (years)

   

0.945

 Mean (min–max)

4.7 (0.1–16)

4.7 (0.3–13)

4.7

 

 Median

4.0

4.0

4.0

 

BMI

   

0.426

 Mean (min–max)

15.6 (10.2–25.6)

15.6 (10.1–27.6)

15.6

 

 Median

15.3

15.3

15.3

 

Stage

   

0.969

 Early

39 (27.3)

117 (26.4)

156 (26.6)

 

 Advanced

98 (68.5)

307 (69.1)

405 (69.0)

 

 Recurrence

6 (4.2)

20 (4.5)

26 (4.4)

 

WBC (× 109/L)

   

0.617

 Mean (min–max)

8.6 (1.28–23.01)

8.4 (0.79–63.09)

8.4

 

 Median

8.14

7.4

7.6

 

Hemoglobin (g/L)

   

0.073

 Mean (min–max)

114.3 (55–155)

110.7 (28–158)

111.6

 

 Median

118.0

115.0

115.0

 

Platelet count (× 109/L)

   

0.001

 Mean (min–max)

381.3 (37–1156)

336.9 (9–1020)

347.7

 

 Median

377.0

322.0

332.5

 

Albumin (g/L)

   

0.745

 Mean (min–max)

43.5 (30.2–114.8)

43.7 (23.2–197.1)

43.6

 

 Median

43.5

43.3

43.3

 

d-Dimer (mg/L)

   

0.411

 Mean (min–max)

8.5 (0.09–121.19)

10.1 (0.05–129.09)

9.7

 

 Median

0.9

1.2

1.1

 

APTT (s)

   

0.469

 Mean(min–max)

24.4 (0.1–42.2)

25.4 (0.12–121)

25.1

 

 Median

27.3

27.8

27.6

 

INR

   

0.239

 Mean (min–max)

1.01 (0.79–1.31)

1.06 (0.82–1.77)

1.06

 

 Median

1.02

1.04

1.03

 

CRP (mg/L)

   

0.002

 Mean (min–max)

8.2 (0.03–88.12)

14.9 (0.02–300.9)

13.3

 

 Median

1.2

1.6

1.5

 

Distancea (mm)

   

0.05

 Mean (min–max)

17.1 (7–41)

15.8 (5–58)

16.1

 

 Median

15.5

15.0

15.0

 

Drugb

   

0.273

 a

106 (74.1)

353 (79.5)

459 (78.2)

 

 b

18 (12.6)

37 (8.3)

55 (9.4)

 

 c

19 (13.3)

54 (12.2)

73 (12.4)

 
  1. aDistance defines the vertical distance from the highest point of the catheter to the upper border of the left and right extremitas sternalis claviculae.
  2. ba: Not use dexamethasone and asparaginase, b: Use dexamethasone and asparaginase, c: Only use dexamethasone.