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Table 5 Univariate analysis for OM as a definitive treatment

From: The World Society of Emergency Surgery (WSES) spleen trauma classification: a useful tool in the management of splenic trauma

Characteristics

Mean ± SD Median (range)

p value

Successful NOM

OM + fNOM

WSES I

79.5%

20.5%

< 0.001

WSES II

33.3%

66.7%

WSES III

27.8%

72.2%

WSES IV

13.3%

86.7%

ASST 1

100.0%

00.0%

< 0.001

ASST 2

68.8%

31.2%

ASST 3

35.3%

64.7%

ASST 4

16.7%

83.3%

ASST 5

0.0%

100.0%

WSES I-II-III

53.2%

46.8%

< 0.001

WSES IV

13.3%

86.7%

ASST ≤ 3

56.3%

43.7%

< 0.001

ASST > 3

14.3%

85.7%

Age (years)

48.79 ± 17.94

51.36 ± 18.74

n.s.

47.63 (18.00–87.00)

49.00 (17.00–91.00)

No anticoagulant/antiplatelet drugs

39.29%

60.71%

n.s.

Anticoagulant/antiplatelet drugs

40.00%

60.00%

HR (bpm)

85.57 ± 17.94

93.87 ± 21.32

0.039

85.00 (48.00–133.00)

90.00 (55.00–145.00)

HR < 120 bpm

48.00%

52.00%

n.s.

HR > 120 bpm

38.30%

61.70%

SBP (mmHg)

122.21 ± 20.18

107.54 ± 26.57

0.001

120.00 (70.00–170.00)

110.00 (53.00–167.00)

SBP > 90 mmHg

50.5%

49.5%

< 0.001

SBP < 90 mmHg

13.0%

87.0%

Shock index < 1

51.0%

49.0%

0.021

Shock index > 1

15.4%

84.6%

ISS

21.89 ± 10.25

32.81 ± 13.02

< 0.001

22.00 (5.00–48.00)

29.00 (9.00–75.00)

ISS < 25

70.0%

30.0%

< 0.001

ISS > 25

26.8%

73.2%

 

Lactate

2.99 ± 1.96

3.45 ± 1.78

n.s.

2.44 (0.80–9.24)

3.08 (1.27–8.00)

BE (mmol/L)

− 3.07 ± 3.87

− 3.40 ± 2.94

n.s.

− 2.80 (− 14.50–2.10)

− 3.10 (− 9.50–1.80)

pH

7.32 ± 0.08

7.29 ± 0.15

n.s.

7.34 (7.13–7.43)

7.31 (6.80–7.47)

Hb (g/dL)

13.78 ± 1.88

11.29 ± 2.66

< 0.001

14.1 (10.10–16.80)

11.60 (3.30–16.40)

Hb ≤ 12 g/dL

24.1%

75.9%

< 0.001

Hb > 12 g/dL

60.6%

39.4%

BE > − 5 mmol/L

57.7%

42.3%

n.s.

BE < − 5 mmol/L

50.0%

50.0%

Brain injuries

29.2%

70.8%

n.s.

No brain injuries

47.0%

53.0%

Associated abdominal lesions

36.2%

63.8%

n.s.

No associated abdominal lesions

50.0%

50.0%

Trauma dynamic

  

n.s.

 -Invested pedestrian

45.5%

54.5%

 -Car

26.3%

73.7%

 -Motorbike

53.9%

46.1%

 -Bike

60.0%

40.0%

 -Precipitation

52.9%

47.1%

 -Others

42.9%

57.1%

Contrast blush

33.3%

66.7%

0.025

No contrast blush

56.8%

43.2%

Pseudoaneurysm

25.0%

75.0%

n.s.

No pseudoaneurysm

50.5%

49.5%

Hemoperitoneum at CT scan

43.0%

57.0%

n.s.

Number of quadrants with hemoperitoneum at CT scan

 -> 1

30.0%

70.0%

0.001

 -≤ 1

59.7%

40.3%

INR (s)

1.11 ± 0.15

1.59 ± 1.02

0.001

1.15 (0.66–1.38)

1.18 (1.04–5.05)

INR > 1.5 s

11.8%

88.2%

0.002

INR < 1.5 s

48.5%

51.5%

Fibrinogen (mg/dL)

221.06 ± 57.54

172.76 ± 62.17

n.s.

216.00 (156.00–401.00)

175.00 (26.00–260.00)

PLT/mm3

218.82 ± 47.96

200.76 ± 79.31

n.s.

220.00 (137.00–315.00)

190.00 (55.00–302.00)

Positive eco-fast

29.0%

71.0%

0.002

Negative eco-fast

59.1%

40.9%

RBC transfusion at the ED

11.5%

88.5%

< 0.001

No RBC transfusion at the ED

53.0%

47.0%

  1. ISS Injury Severity Score, HR heart rate, SBP systolic blood pressure, ED emergency department, BE base excess, Lac lactates, Hb hemoglobin, RBC red blood cells, AAST American Association for the Surgery of Trauma, WSES World Society of Emergency Surgery, PLT platelet, CB contrast blush, PSA pseudoaneurysms, INR International Normalized Ratio