Wireless capsule endoscopy and proximal small bowel lesions in Crohn’s disease

Table 1 Clinical characteristics of the 32 CD patients studied with WCE

Parameter	n (%)
Gender
Male	16 (50)
Female	16 (50)
Clinical activity
Active (CDAI > 150)	5 (16)
Inactive (CDAI < 150)	27 (84)
Lesions extent before WCE
Distal ileum only	27 (84)
Distal ileum and colon	2 (6)
Distal ileum and esophagus/stomach	3 (10)
Previous intestinal resections
Yes	25 (78)
Smoking habits
Smokers	14 (44)
Ex-smokers	4 (12)
Non-smokers	14 (44)
NSAID use
Yes	3 (9)

CD: Crohn’s disease; WCE: Wireless capsule endoscopy; CDAI: CD activity index; NSAID: Non-steroidal anti-inflammatory drug.

Table 2 Clinical characteristics of the 32 CD patients grouped according to the presence of upper small bowel lesions at WCE

	Small bowel lesions at WCE (%)
	Yes (n = 16)	No (n = 16)
Known CD extent before WCE
Distal ileum	12 (75)	15 (94)
Distal ileum and colon	1 (6)	1 (6)
Distal ileum and esophagus stomach	3 (19)	0
Epigastric pain
Yes	3 (19)	4 (25)
No	13 (81)	12 (75)
Smoking habits
Smokers	6 (37)	8 (50)
Ex-smokers	3 (19)	1 (6)
Non-smokers	7 (44)	7 (44)
NSAID use
Yes	3 (19)	0
No	13 (81)	16 (100)
IDA
Yes	4 (25)	5 (31)
No	12 (75)	11 (69)

IDA: Iron-deficiency anemia.