|
Endoscopy and histologic features
|
|
Type of endoscopy
|
|
Colonoscopy
|
22 (79)
|
|
Flexible sigmoidoscopy
|
6 (21)
|
|
Endoscopic findings on initial evaluation
|
|
Ulceration
|
8 (29)
|
|
Nonulcerative inflammation
|
13 (46)
|
|
Normal
|
7 (25)
|
|
Endoscopic distribution
|
|
Extensive
|
14 (50)
|
|
Left colon only
|
5 (18)
|
|
Isolated small bowel
|
2 (7)
|
|
Histological inflammation on initial evaluation
|
|
Active features
|
28 (100)
|
|
Chronic features
|
14 (50)
|
|
Microscopic
|
10 (36)
|
|
Median no. of endoscopic procedures (IQR)
|
2 (1–7)
|
|
Diagnostic laboratory studies
|
|
Mean duration of laboratory follow-up, months (SD)
|
3 (4)
|
|
Positive fecal lactoferrin at onset of diarrheaa
|
23 (100)
|
|
Positive fecal lactoferrin after vedolizumab therapyb
|
11 (79)
|
|
Mean fecal calprotectin value at onset of diarrhea μg/g (SD)c
|
329 (276)
|
|
Mean fecal calprotectin value at follow-up μg/g (SD)d
|
218 (262)
|
