Table 1 Clinical characteristics

Age, median (IQR) y

35.46

(27.50)

38.00

(27.81)

Sex

 Female

1503

30.57%

367

29.98%

 Male

3413

69.43%

857

70.02%

Trauma severity

Traffic accident

1882

38.28%

466

38.07%

Spleen laceration severity

 Hematoma of spleen without laceration

669

13.61%

180

14.71%

 Capsular tears without parenchymal injury

289

5.88%

82

6.70%

Laceration into parenchyma

429

8.73%

99

8.09%

Massive parenchymal disruption

1062

21.60%

275

22.47%

 Unspecified splenic injury

2467

50.18%

588

48.04%

ISS ≥ 16

512

10.41%

151

12.34%

Accompanying damage

 Intracranial hemorrhage

238

4.84%

55

4.49%

 Hemothorax

787

16.01%

203

16.58%

 Blunt hepatic injury

600

12.21%

153

12.50%

 Blunt renal injury

600

12.21%

153

12.50%

 Pelvic fracture

212

4.31%

46

3.76%

 Femoral fracture

182

3.70%

44

3.59%

 Length of hospitalization, median (IQR)

8

(8)

8

(7)

Major coexisting disease

 Myocardial infarction

18

0.37%

7

0.57%

 Congestive heart failure

84

1.71%

13

1.06%

 Vascular disease

23

0.47%

7

0.57%

 Cerebrovascular disease

137

2.79%

35

2.86%

 Dementia

7

0.14%

4

0.33%

 Chronic pulmonary disease

166

3.38%

43

3.51%

 Rheumatic disease

22

0.45%

5

0.41%

 Peptic ulcer disease

330

6.71%

81

6.62%

 Severe liver disease

58

1.18%

16

1.31%

 Diabetes mellitus

311

6.33%

73

5.96%

 Hemiplegia

38

0.77%

6

0.49%

 On dialysis

19

0.39%

2

0.16%

 Malignancy

138

2.81%

36

2.94%

 HTN

434

8.83%

112

9.15%

 Hyperlipidemia

165

3.36%

27

2.21%

 Gout

126

2.56%

31

2.53%

 Obesity

7

0.14%

2

0.16%

Rebleeding requiring interventions

61

1.24%

19

1.55%

 Splenectomy

54

88.52%

17

89.47%

 Transcatheter arterial embolization

7

11.48%

2

10.53%

 Length of hospitalization, median (IQR)

9

(8)

10

(6)

 In-hospital mortality

0

0.00%

0

0.00%

Duration from discharge

7

(19)

5

(12)

Duration from the first admission

18

(24)

12

(16)