Inpatient capsule endoscopy leads to frequent incomplete small bowel examinations

Table 1 Baseline characteristics of study population, capsule endoscopy indications and findings n (%)

Patient characteristics	IP (n = 70)	OP (n = 264)	P value
Age (yr)	60.9 ± 18.4	53.0 ± 17.7	0.0011
Gender (male/female)	34/36	96/168	0.07
Indications
Occult obscure GIB	37 (52.9)	124 (46.9)	0.381
Overt GIB	24 (34.3)	23 (8.7)	0.0001
Abdominal pain	11 (15.7)	92 (36.7)	0.002
Assess IBD	8 (11.4)	83 (31.4)	0.001
Assess small bowel masses	1 (1.4)	17 (6.4)	0.137
Assess celiac disease	1 (1.4)	3 (1.1)	1.000
Others	0 (0)	9 (3.4)	0.213
Findings
AVM	33 (47.1)	116 (43.9)	0.632
SB ulceration/erosion	19 (27.1)	116 (43.9)	0.011
Active bleed	11 (15.7)	12 (4.6)	0.001
Esophagitis/duodenitis/gastritis	7 (10.0)	28 (10.6)	1.000
Mass/polyp	13 (18.6)	43 (16.3)	0.649
Excess retained food	7 (10.0)	22 (8.3)	0.660
Others	6 (8.6)	19 (7.2)	0.698

IP: In-patient; OP: Out-patient; GIB: Gastrointestinal bleed; IBD: Inflammatory bowel disease; AVM: Arteriovenous malformation; SB: Small bowel.

¹t test; the rest, Chi-square or fisher exact test as appropriate.