Table 1 Demographic data, fistula characteristics, preoperative laboratory test results, and comorbidity of the 414 patients.

From: Visceral to subcutaneous fat area ratio predicts severe abdominal adhesions in definitive surgery for anastomotic fistula after small intestine resection

Characteristics

Total (n = 414)

Male (n = 231)

Female (n = 183)

p

Demographic data

 Age, years (median, IQR)

50 (35–66)

50 (35–63)

50 (34–69)

0.38

 BMI, kg/m2 (median, IQR)

20.0 (19.2–22.4 )

19.9 (19.2–23.4)

20.1 (19.1–23.4)

0.72

Fistula characteristics

 Interval from fistula occurred to admission, days, (median, IQR)

14 (8–21)

14 (9–21)

14 (8–21)

0.67

 Interval from fistula occurred to DS, months, (median, IQR)

4.0 (3.0–5.0)

4.0 (3.0–5.0)

4.0 (3.0–5.0)

0.79

Distance from Treitz to the fistula, no. (%)

0.29

 < 100 cm

63 (15.2)

39 (16.9)

24 (13.1)

 

 ≥ 100 cm

351 (84.8)

192 (83.1)

159 (86.9)

 

Length of small intestine, no. (%)

0.36

 < 300 cm

83 (20)

50 (21.6)

33 (18.1)

 

 ≥ 300 cm

331 (80)

181 (78.4)

150 (81.9)

 

 PN required, no. (%)

40 (9.7)

22 (9.5)

18 (9.8)

0.92

Etiology, no. (%)

0.94

 Rupture

270 (65.2)

149 (64.5)

121 (66.1)

 

 Obstruction

116 (28.0)

66 (28.6)

50 (27.3)

 

 Intestinal necrosis due to mesenteric thrombosis

28 (6.8)

16 (6.9)

12 (6.6)

 

Preoperative laboratory test results

 Hemoglobin before DS, g/L (median, IQR)

124.0 (118.0–132.0)

126 (120–134)

123.0 (116–132)

0.47

 Albumin before DS, g/L (median, IQR)

36.3 (34.0–38.0)

36.2 (34.7–38.0)

36.4 (33.5–38.1)

0.44

 CRP before DS, mg/L; (median, IQR)

8.3 (5.8–11.5)

8.4 (5.4–11.8)

8.2 (5.9–11.3)

0.63

 WBC before DS, 109/L (median, IQR)

6.6 (5.6–7.2)

6.7 (5.8–7.5)

6.5 (5.2–7.0)

0.71

Comorbidity before DS, no. (%)

 Hypertension

18 (4.3)

11 (4.8)

7 (3.8)

0.73

 Elevated fasting blood glucose

20 (4.8)

11 (4.8)

9 (4.9)

1.00