Role of small bowel capsule endoscopy in the diagnosis and management of iron deficiency anemia in elderly: A comprehensive review of the current literature

Table 1 Studies on the utility of capsule endoscopy for the evaluation of iron deficiency anemia along with their findings n (%)

Ref.	Total patients	Patients with positive findings (DY)	Angioectasia	Inflammatory lesions (erosions/ulcers)	Mass lesions	Active bleeding	Other findings (celiac disease, Crohn’s disease)
Holleran et al[46]	65	35 (53)	17 (49)	12 (34)		4 (11)	2 (6)
Sidhu et al[26]	586	245 (42)	141 (58)		16 (11)
Tong et al[47]	97	25 (26)	6 (24)	16 (64)	2 (8)		1 (4)
Koulaouzidis et al[48]	221	68 (31)	49 (72)	19 (28)
Yamada et al[49]	30	19 (63)	6 (20)	7 (37)	2 (12)		4 (21)
Efthymiou et al[50]	40	15 (38)
Milano et al[51]	45	35 (78)	13 (37)	9 (26)	6 (17)		7 (20)
Goenka et al[52]	96	35 (37)
Katsinelos et al[53]	38	13 (34)	6 (46)	4 (31)	1 (8)		2 (15)
Riccione et al[54]	138	91 (66)	51 (56)	18 (20)	9 (10)		13 (14)
Van Turenhourt et al[55]	240	106 (44)
Laine et al[56]	40	13 (33)	4 (31)	9 (69)	0		0
Sheibani et al[57]	57	35 (61)	21 (60)	4 (12)	5 (14)		5 (14)
Kim et al[58]	25	12 (48)	8 (66)	2 (17)	0		2 (17)
Sidhu et al[25]	316	152 (48)	84 (56)	25 (16)	10 (6)		33 (22)
Muhammad et al[27]	231	127 (55)	35 (28)	64 (50)	0	15 (12)	13 (10)
Chami et al[59]	12	4 (33)
Carey et al[60]	134	62 (46)	35 (56)	16 (26)	4 (6)		7 (12)
Apostolopoulos et al[61]	51	29 (57)	12 (41)	13 (45)	4 (14)		0
Estevez et al[62]	48	30 (63)
Van Tuyl et al[63]	150	49 (33)
Qvigstaad et al[64]	40	11 (28)
Kalantzis et al[65]	64	27 (42)
De Leusse et al[66]	20	6 (30)
Ben Soussan et al[67]	18	7 (38)
Enns et al[68]	14	7 (50)	2 (29)	3 (42)	2 (29)		0
Fireman et al[69]	70	37 (52)	18 (49)	11 (30)	0		8 (21)
Pennazio et al[17]	43	19 (44)	4 (21)	9 (47)	0		6 (32)