Table 3 Comparison of the demographic and clinical characteristics between effectively and ineffectively colostomy treated ulcerative CRP patients

Age, < 50/ ≥ 50 years

8/22

10/21

BMI < 18.5/ ≥ 18.5 kg/m²

8/22

7/22

Concomitant disease

 Cardiovascular and cerebrovascular diseases, yes/no

6/24

5/26

 Diabetes mellitus, yes/no

5/25

1/30

 Surgical history, yes/no

11/19

11/20

 Tumor recurrence or metastasis, yes/no

2/28

2/29

 Duration of stoma, M*

13.8 (9.2, 19.0)

5.8 (3.0, 8.6)

 Radiotherapy dose, Gy^#

85.2 ± 24.0

84.7 ± 20.0

 Interval between radiotherapy and colostomy, M*

12.3 (9.2, 17.6)

10.6 (8.5, 14.8)

 APC treatment after colostomy, yes/no

3/27

4/27

 Retention enema after colostomy, yes/no

14/16

16/15

Pre- colostomy

 Overall VRS Score*

5 (4, 5)

5 (5, 5)

 Mucosal congestion*

2 (2, 2)

2 (1, 2)

 Telangiectasia*

2 (2, 3)

2 (2, 2.25)

 Ulceration*

5 (4, 5)

5 (4, 5)

 Stenosis*

0 (0, 4)

0 (0, 4)

 Necrosis*

0 (0, 0)

0 (0, 0)

 RBC, × 10¹²/L^#

3.3 ± 0.7

3.5 ± 0.8

 Hb, g/L^#

92.1 ± 23.8

91.8 ± 22.6

 BPC, × 10⁹/L*

265.8 (230.8, 345.0)

261.8 (208.0, 315.5)

 ALB, g/L*

38.0 (35.1, 42.2)

34.6 (32.2, 41.3)

 TP, g/L^#

38.3 ± 4.7

35.8 ± 5.1

 WBC, × 10⁹/L*

5.7 (4.3, 6.7)

6.3 (4.9, 10.0)

Post-colostomy

 RBC, × 10¹²/L^#

4.0 ± 0.4

3.5 ± 0.8

 Hb, g/L^#

112.0 ± 15.6

98.7 ± 19.0

 BPC, × 10⁹/L*

233.5 (187.5, 277.5)

241.0 (198.8, 320.7)

 ALB, g/L^#

40.5 ± 3.9

36.5 ± 4.5

 TP, g/L^#

68.5 ± 6.8

69.5 ± 6.7

 WBC, × 10⁹/L*

4.9 (4.3, 5.8)

5.6 (4.3, 8.5)