Ultrasonographic Evaluation of Bowel Wall Thickness and Intramural Blood Flow in Ulcerative Colitis

Table 1

Demographic data and ultrasonographic indices in different clinical stages of ulcerative colitis, median (interquartile range).

Variable	Inactive phase; (𝑛=13)	Mild; (𝑛=12)	Moderate; (𝑛=13)	Severe; (𝑛=12)	𝑃 value
Age (year)	23 (8)	34.5 (21.5)	27 (4.8)	29 (8.5)	0.06
Gender (male : female)	7 : 6	6 : 6	5 : 8	5 : 7	0.85
PI (most involved site)	—	1.4 (0.4)	1.3 (0.5)	1.1 (0.6)	0.002
RI (most involved site)	—	0.7 (0.1)	0.7 (0.1)	0.6 (0.1)	0.05
Wall thickness (most involved site) (mm)	4.4 (1.8)	4.2 (0.8)	4.6 (1.9)	4.7 (1.1)	0.23
Number of color signal (most involved site)	0 (0)	1.5 (1.8)	2 (0.3)	3 (0)	0.0001
Wall thickness (middle part of descending colon) (mm)	3.3 (1.6)	3.7 (1.6)	4.1 (2.3)	3.5 (1.8)	0.64
Number of color signal (middle part of descending colon)	0 (0)	0 (0.8)	0 (0.3)	0 (1.8)	0.05
Wall thickness (distal part of descending colon) (mm)	3.7 (1.7)	3.7 (1.2)	4.4 (2.2)	4.1 (1.5)	0.53
Number of color signal (distal part of descending colon)	0 (0)	0 (0.8)	1 (2)	1 (2.5)	0.0001
Wall thickness (sigmoid) (mm)	4 (2)	4.2 (0.8)	4.6 (1.9)	4.7 (1.1)	0.13
Number of color signal (sigmoid)	0 (0)	1.5 (1)	2 (0.3)	3 (0.8)	0.0001