Factors associated with incomplete small bowel capsule endoscopy studies

Table 1 Patient demographics (%)

	Complete CE	Incomplete CE	Total
n	377	158	535
Gender (F)	50.9	50.0	50.7
Age (yr)	58.1 (13.2-92.9)	60.6 (12.8-90.7)	58.8 (12.8-92.9)
Hospitalized	4.5	8.8	5.8
Diabetes	12.7	16.5	13.8
Hemiplegia	0.27	1.3	0.56
Renal disease	6.6	8.2	7.1
DM with EOD	2.7	2.5	2.6
No bleed	22.3	18.4	19.3
Occult bleed	30.9	26.0	30.0
Overt bleed	46.8	55.6	50.7
Change in BM	17.5	17.7	17.6
Bowel obstruction	3.4	8.2	4.9
Abdominal surgery	34.5	44.9	37.6
Abdominal radiation	1.9	1.9	1.9
Opiate use	8.8	14.8	10.7

CE: Capsule endoscopy; DM: Diabetes mellitus; EOD: End organ damage; BM: Bowel movement.

Table 2 Univariable analysis

	B coefficient	P value	OR	95% CI	Pseudo R-squared
Gender (F)	-0.0371	0.845	0.96	0.66-1.39	0.0001
Age	0.00759	0.152	1.01	0.99-1.02	0.0032
Hospitalized	0.722	0.054	2.06	0.99-4.29	0.0055
Diabetes	0.3	0.256	1.35	0.80-2.27	0.0019
Hemiplegia	1.57	0.200	4.82	0.43-53.5	0.0027
Renal disease	0.233	0.513	1.26	0.63-2.54	0.0007
DM with EOD	-0.048	0.936	0.95	0.29-3.09	0.00001
No bleed	Reference				0.0167
Occult bleed	0.517	0.095	1.68	0.91-3.07
Overt bleed	0.87	0.002	2.39	1.36-4.16
Change in BM	0.0148	0.952	1.01	0.62-1.65	0.00001
Bowel obstruction	0.92	0.023	2.51	1.13-5.55	0.0078
Abdominal surgery	0.439	0.023	1.55	1.06-2.26	0.0079
Abdominal radiation	0.0228	0.974	1.02	0.26-4.00	0.00001
Opiate use	0.479	0.094	1.61	0.92-2.82	0.0042

DM: Diabetes mellitus; EOD: End organ damage; BM: Bowel movement; OR: Odds ratio; CI: Confidence interval.

Table 3 Multivariable analysis

	OR	P value	95% CI
Sex	0.99	0.975	0.68-1.46
Age	0.99	0.995	0.99-1.01
Hospitalized	1.82	0.124	0.85-3.93
Diabetes	1.25	0.411	0.73-2.17
Renal disease	1.03	0.926	0.50-2.16
Occult bleeding	2.04	0.037	1.04-4.02
Overt bleeding	2.69	0.002	1.44-5.05
PMHx bowel obstruction	2.77	0.020	1.17-6.56
PMHx abdo surgery	1.46	0.068	0.97-2.19
PMHx abdo radiation	0.91	0.890	0.22-3.71
Opiate use	1.54	0.150	0.86-2.76

PMHx: Past medical history; OR: Odds ratio; CI: Confidence interval.