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Table 1 Baseline characteristics and laboratory values among physiological, anatomical, and logistical reasons in patients with open abdomens

From: Anatomical, physiological, and logistical indications for the open abdomen: a proposal for a new classification system

 

Physiological (n = 45)

Anatomical (n = 45)

Logistical (n = 45)

 

Present (n = 38)

Absent (n = 7)

p

Present (n = 25)

Absent (n = 20)

p

Present (n = 21)

Absent (n = 24)

p

Age, mean (SD),yrs

37.9 (18.0)

43.7 (23.6)

0.800

40.8 (19.2)

36.4 (18.4)

0.299

40.4 (22.1)

37.6 (15.7)

0.731

Male, n (%)

28 (73.7)

4 (57.1)

0.394

16 (64.0)

16 (80.0)

0.327

15 (71.4)

17 (70.8)

1.000

Trauma mechanism, n (%)

         

Penetrating

20 (52.6)

3 (42.9)

0.699

11 (44.0)

12 (60.0)

0.373

9 (42.9)

14 (58.3)

0.376

Blunt

13 (34.2)

3 (42.9)

0.686

11 (44.0)

5 (25.0)

0.224

7 (33.3)

9 (37.5)

1.000

Acute Abdomen, n (%)

5 (13.2)

1 (14.3)

1.000

3 (12.0)

3 (15.0)

1.000

5 (23.8)

1 (4.2)

0.083

Other reasons present, n (%)

         

Logistical

17 (44.7)

4 (57.1)

0.422

12 (48.0)

9 (45.0)

1.000

-

-

-

Anatomical

19 (50.0)

6 (85.7)

0.112

-

-

-

12 (57.1)

13 (54.2)

1.000

Physiological

-

-

-

19 (76.0)

19 (95.0)

0.112

17 (81.0)

21 (87.5)

0.689

ISS, mean (SD)

22.7 (5.5)

19.0 (3.2)

0.143

21.2 (5.0)

23.4 (5.6)

0.193

22.8 (4.8)

21.7 (5.7)

0.389

T < 36, n (%)

21 (55.3)

1 (14.3)

0.096

11 (44.0)

11 (55.0)

0.554

7 (33.3)

15 (62.5)

0.075

T > 38, n (%)

4 (10.5)

1 (14.3)

1.000

3 (12.0)

2 (10.0)

1.000

3 (14.3)

2 (8.3)

0.652

pH < 7.2, n (%)

27 (71.1)

0

0.001

15 (60.0)

12 (60.0)

1.000

11 (52.4)

16 (66.7)

0.374

Lactate > 5, n (%)

24 (63.2)

1 (14.3)

0.034

13 (52.0)

12 (60.0)

0.764

11 (52.4)

14 (58.3)

0.769

WBC < 4, n (%)

2 (5.3)

0

1.000

0

2 (20.0)

0.192

0

2 (8.3)

0.491

WBC > 12, n (%)

14 (36.8)

4 (57.1)

0.412

9 (36.0)

9 (45.0)

0.559

13 (61.9)

5 (20.8)

0.007

Mechanical ventilation, n (%)

38 (100)

7 (100 %)

-

25 (100)

20 (100)

-

21 (100)

24 (100)

-

Fi02 > 40 %, n (%)

29 (76.3)

3 (42.9)

0.168

17 (68.0)

15 (75.0)

0.745

16 (76.2)

16 (66.7)

0.528

Coagulopathy, n (%)

30 (78.9)

4 (57.1)

0.337

16 (64.0)

18 (90.0)

0.079

16 (76.2)

18 (75.0)

1.000

SBP < 90, n (%)

35 (92.1)

4 (57.1)

0.039

22 (88.0)

17 (85.0)

1.000

18 (85.7)

21 (87.5)

1.000

AKI, n (%)

4 (10.5)

0

1.000

2 (8.0)

2 (20.0)

1.000

4 (19.0)

0

0.040

Hemodialysis, n (%)

1 (2.6)

0

1.000

1 (4.0)

0

1.000

1 (4.8)

0

0.467

ACS, n (%)

1 (2.6)

1 (14.3)

0.290

2 (80)

0

0.495

0

2 (8.3)

0.491

  1. SD standard deviation, ISS injury severity score, T temperature, WBC white blood cell count, Fi0 2 fraction of inspired oxygen, SBP systolic blood pressure, AKI acute kidney injury, ACS abdominal compartment syndrome