Skip to main content

Table 2 Predictive factors of intestinal ischemia in development cohort

From: Ischemia prediction score (IsPS) in patients with strangulated small bowel obstruction: a retrospective cohort study

 

No ischemia group

( n  = 64)

Ischemia group

( n  = 36)

P

OR (95% CI)

Background

 Age years ≥ 60 years

46 (72%)

28 (78%)

0.515

 

 Sex, male/female

24 / 40

13 / 23

0.890

 

 Past history of surgery

38 (59%)

24 (67%)

0.469

 

 Duration of symptoms before surgery ≥ 24 h/ < 24 h

14 (22%)

9 (25%)

0.667

 

 ASA-PS ≥ 2

53 (82%)

34 (95%)

0.078

 

Physical findings

 Peritoneal irritation sign

19 (30%)

12 (34%)

0.638

 

 Body temperature ≥ 37.5 °C

6 (10%)

1 (3%)

0.228

 

Laboratory data

 WBC count ≥ 10,000/L

21 (33%)

21 (58%)

0.013

2.86 (1.23—6.66)

 CRP ≥ 5.0 mg/L

4 (6%)

3 (8%)

0.698

 

 CK ≥ 200U/L

6 (10%)

3 (9%)

0.867

 

 LDH ≥ 300U/L

4 (6%)

5 (14%)

0.228

 

Arterial blood gas

 pH ≤ 7.35

0 (0%)

1 (3%)

0.153

 

 BE ≤ -1.0 mmol/L

16 (25%)

17 (47%)

0.024

2.68 (1.13—6.38)

CT findings

 Ascites

43 (67%)

32 (89%)

0.012

3.91 (1.22—12.5)

 Mesenteric fluid

44 (69%)

29 (81%)

0.194

 

 Reduced bowel wall enhancement

16 (30%)

24 (80%)

 < 0.001

9.50 (3.26—27.6)

  1. Categorical variables are presented as numbers (%)
  2. ASA-PS American Society of Anesthesiologists physical status, WBC White blood cell, CRP C-reactive protein, CK Creatine kinase, LDH Lactate dehydrogenase, BE Base excess, CT Computed tomography