Table 1 Demographic data of the loop colostomy and loop ileostomy groups

Number (%)

38 (57.6)

28 (42.4)

66

–

Age, years (SD)

63.1 (13.1)

63.8 (12.0)

62.9 (12.1)

0.834

Sex (%)

0.408

Male/female

22/16 (57.9/42.1)

19/9 (67.9/32.1)

41/25 (62.1/37.9)

BMI (SD)

23.44 (4.26)

23.62 (2.93)

23.34 (3.33)

0.887

Histology (%)

0.650

WD/MD/PD

7/25/3 (20.0/71.4/8.6)

3/21/22 (11.5/80.8/7.7)

10/46/5 (16.4/75.4/8.2)

ypT (%)

0.811

T0/T1/T2/T3/T4

6/3/10/18/1 (15.8/7.9/26.3/47.4/2.6)

6/3/9/9/1 (21.4/10.7/32.1/32.1/3.6)

12/6/19/27/2 (18.2/9.1/28.8/40.9/3.0)

ypN (%)

0.270

N0/N1/N2

23/7/8 (60.5/18.4/21.1)

20/6/2 (71.4/21.4/7.1)

43/13/10 (65.2/19.7/15.2)

Metastatic disease (%)

0.381

M0/M1

31/7 (81.6/18.4)

25/3 (89.3/10.7)

56/10 (84.9/15.2)

Emergent operation (%)

6 (15.8)

1 (3.6)

7 (10.6)

0.091

Locally advanced disease (%)

21 (55.3)

12 (42.9)

33(50.0)

0.319

Distance from anal verge, cm (SD)

3.41 (1.75)

3.93 (1.86)

4.06 (2.20)

0.259

CEA, ng/mL (SD)

6.35 (10.04)

3.16 (2.33)

4.94 (7.32)

0.087