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Table 1 Patient characteristics, clinical findings, laboratory and computed tomography findings

From: Postoperative pneumatosis intestinalis (PI) and portal venous gas (PVG) may indicate bowel necrosis: a 52-case study

 

Total

Bowel necrosis

Non-bowel necrosis

 

Number (N, (%))

N = 52

N = 17 (32.7)

N = 35 (67.3)

P value

Age

70.4 ± 5.1

69.5 ± 8.9

70.9 ± 6.2

0.79

Gender

   

0.74

 Male

32 (61.5)

11

21

 

 Female

20 (38.5)

6

14

 

Underlying disease/condition/treatment

 Inflammatory bowel disease

2 (3.8)

0

2

0.31

 Respiratory disease

7 (13.5)

2

5

0.8

 Diabetes mellitus

10 (19.2)

3

7

0.84

 α-Glucosidase inhibitor

5 (9.6)

1

4

0.52

 Cardiovascular disease

9 (17.3)

4

5

0.41

 Renal disease

4 (7.7)

2

2

0.44

 Collagen disease

7 (13.5)

2

5

0.8

 Hematological disease

3 (5.8)

0

3

0.21

 Steroid therapy

16 (30.8)

4

12

0.43

 Chemotherapy

8 (15.4)

3

5

0.75

 Postoperative state

9 (17.3)

8

1

0.0001

 Tumor-bearing

13 (25.0)

5

8

0.61

Abdominal findings

 Abdominal pain

31 (59.6)

14 (82.4)

17 (48.6)

0.019

 Peritoneal irritation signs

16 (30.8)

9 (52.9)

7 (20.0)

0.016

 Nausea/vomiting

17 (32.7)

7 (41.2)

10 (28.6)

0.36

 Abdominal distension

26 (50)

11 (64.7)

15 (42.9)

0.14

 Melena

5 (9.6)

1 (5.9)

4 (11.4)

0.52

Vital signs

 Temperature

 

36.9 ± 0.66

37.1 ± 0.5

0.76

 Mean blood pressure

 

79.6 ± 8.9

86.9 ± 7.8

0.24

 Pulse rate

 

94.2 ± 13.6

85.6 ± 11.6

0.34

 Respiration rate

 

19.3 ± 2.6

17.9 ± 1.8

0.36

Laboratory Findings

 WBC (×103/μL)

 

11,992 ± 2811

8654 ± 1988

0.16

 Hb (g/dL)

 

12.3 ± 0.97

11.8 ± 0.68

0.39

 Platelets (×103/μL)

 

18.9 ± 4.1

19.9 ± 2.9

0.67

 Total bilirubin (mg/dL)

 

1.16 ± 0.5

0.90 ± 0.35

0.39

 Sodium (mmol/L)

 

135.2 ± 3.2

137.4 ± 2.3

0.26

 Potassium (mmol/L)

 

4.36 ± 0.34

4.2 ± 0.2

0.49

 Arterial pH

 

7.338 ± 0.065

7.409 ± 0.049

0.81

 Base excess (mmol/L)

 

−0.66 ± 0.32

1.22 ± 0.38

0.41

 Bicarbonate (mmol/L)

 

22.39 ± 3.62

24.92 ± 2.61

0.28

 Creatinine (mg/dL)

 

1.7 ± 0.4

0.9 ± 0.3

0.0054

 CRP (mg/dL)

 

10.56 ± 4.01

3.15 ± 2.83

0.0038

 Serum lactate (mmol/L)

 

4.54 ± 2.03

1.90 ± 1.61

0.045

Evaluation of Severity

 SIRS score

 

1.1 ± 0.5

0.4 ± 0.3

0.036

 APACHE II score

 

12 ± 2.9

7.7 ± 2.1

0.022

 SOFA score

 

2.8 ± 0.9

1.2 ± 0.6

0.0044

Computed tomography findings

Ascites

18 (34.6)

10 (58.8)

8 (22.9)

0.011

Free Air

20 (38.5)

5 (29.4)

15 (42.9)

0.35

Pneumatosis intestinalis (PI)

45 (86.5)

14 (82.3)

31 (88.6)

0.54

 linear pattern

23 (51.1)

10 (58.8)

13 (37.1)

 

 bubble pattern

22 (48.9)

4 (23.5)

18 (51.4)

0.082

Portal venous gas (PVG)

20 (38.5)

9 (52.9)

11 (31.4)

0.13

 Left lobe

12 (23.1)

5 (29.4)

7 (20)

 

 Right lobe or both lobes

8 (15.4)

4 (23.5)

4 (11.4)

0.71

Both PI and PVG

13 (25)

6 (35.3)

7 (20)

0.23

Deterioration in bowel wall enhancement

17 (32.7)

8 (47.1)

9 (25.7)

0.03

  1. Bubble pattern: gas bubbles in the bowel wall
  2. Linear pattern: continuous gas with a smooth margin