Appropriateness of the study of iron deficiency anemia prior to referral for small bowel evaluation at a tertiary center

Table 6 Diagnoses regarded as the likely causes of iron deficiency anemia

Diagnoses	n (%)
Upper GI tract	7 (9.1)
Gastric angioectasia(s)1	3 (3.9)
Gastric polyp(s)1	2 (2.6)
GAVE	1 (1.3)
Erosive gastritis1	1 (1.3)
Small bowel	26 (33.8)
Angioectasia(s)	14 (18.2)
Crohn’s disease	4 (5.2)
NSAIDs enteropathy	2 (2.6)
Neoplasia	2 (2.6)
Unspecified enteritis	2 (2.6)
Dieulafoy’s lesion	1 (1.3)
Inflammatory polyp	1 (1.3)
Lower GI tract	7 (9.1)
Angioectasia(s)1	4 (5.2)
Coloretal cancer	2 (2.6)
Polyp	1 (1.3)

¹Non-small bowel findings detected on SB studies. IDA: Iron deficiency anemia; GI: Gastrointestinal; GAVE: Gastric antrum vascular ectasia; NSAID: Nonsteroidal anti-inflammatory drug.