Comparison of the diagnostic yield and outcomes between standard 8 h capsule endoscopy and the new 12 h capsule endoscopy for investigating small bowel pathology

Table 1 Demographics and indications for capsule endoscopy in each capsule group n (%)

	PillCam SB2 cases	PillCam SB2-ex cases	P value (< 0.05)
Age (mean ± SD)	70.90 ± 14.19	71.93 ± 13.80	0.46
Male	91 (45.5)	96 (48)	0.69
Obscure GI bleed	131 (65.5)	146 (73)	0.13
Anemia	47 (23.5)	36 (18)	0.22
Anemia or obscure GI bleed	178 (89)	182 (91)	0.62
AVM	11 (5.5)	9 (4.5)	0.82
Other	11 (5.5)	9 (4.5)	0.82

GI: Gastrointestinal; AVM: Arteriovenous malformation.

Table 2 Characteristics and small bowel findings¹ for each capsule group n (%)

	PillCam SB2 cases	PillCam SB2-ex cases	P value (< 0.05)
Complete studies	159 (79.5)	176 (88)	0.03
Average completed study duration	4:15:56	4:51:27
Abnormal finding total	97 (48.5)	70 (35)	0.01
Bleeding	21 (10.5)	20 (10)	1.00
AVM	35 (17.5)	19 (9.5)	0.03
Erosive disease	32 (16)	26 (13)	0.45
Polyp/mass (see text)	9 (4.5)	4 (2)	0.26
Miscellaneous	0	1 (1)	1.00

¹Some cases had multiple findings. AVM: Arteriovenous malformation.

Table 3 Clinically significant findings beyond the 8 h mark in the SB2-ex capsule group

Findings outside of the small bowel	Time	Findings in the small bowel	Time
Bleeding in colon	8:59:18; 14:09:59; 15:08:22	Bleeding in duodenal bulb due to AVM	8:57:24
AVM in colon	8:59:34	AVM	9:34:04
Portal gastropathy	10:38:06	Denuded mucosa in SB	11:15:22
		Jejunitis	13:02:13

AVM: Arteriovenous malformation.