Table 2 Clinical and biological risk factors of patients with or without post-operative PVT

Gender F/M^a

49 (32.9%)/70 (47%)

11 (7.4%)/18 (12.7%)

0.100

Age (years)^b

50.9 ± 17.0

56.8 ± 17.1

0.070

Body Mass Index (kg/m²)^b

24.8 ± 5.1

25.6 ± 4.7

0.511

Thromboembolic medical history^a

3 (2.5%)

1 (3.4%)

0.580

Curative anticoagulant therapy^a

4 (3.3%)

1 (3.4%)

0.670

Portal hypertension^a

2 (1.7%)

1 (3.4%)

0.480

Indications: ^a

 Splenic trauma

45 (37.5%)

0 (0%)

 < 0.001

 Malignant haemopathies

24 (20%)

16 (55.2%)

 < 0.001

 Lymphoma

8 (6.7%)

15 (51.7%)

 < 0.001

 Contiguity

27 (22.5%)

5 (17.2%)

0.210

 ITP

11 (9.2%)

2 (6.9%)

0.570

 Others

13 (10.8%)

6 (20.7%)

0.162

Pre-operative laboratory tests^c

 Haemoglobin (g/dL)

11.8 (8.8–14.3)

11.3 (9.7–12.8)

0.380

 Leukocytes (G/L)

11.9 (6.1–15.4)

15.0 (20.6–5.25)

0.160

 Platelets (G/L)

197.1 (175–215)

146.1 (103–188)

0.050

 Prothrombin (%)

80.1 (66.2–96.4)

86.4 (80.3–93.8)

0.060

Transfusion^a

57 (47.5%)

7 (24.1%)

0.051

Per-operative conditions

 OS/LS

101 (84.2%)/19 (15.8%)

25 (86.2%)/4 (13.8%)

0.310

 Duration of surgery (min)^b

130.7 ± 127.9

147.6 ± 129.8

0.541

 Splenic weight (g) ^c

413.7 (307.2–520.3)

1468.6 (1036.9–1900.2)

 < 0.00001

 Post-operative PVT symptoms^a

64 (53.8%)

9 (31.0%)

0.028