Double-balloon enteroscopy for obscure gastrointestinal bleeding: A single center experience in China

Table 3 DBE detection rate of bleeding and duration of symptoms

	Patients	DBE findings	Detection rate (%)	P
Total	75	44	58.7	-
Causes of OGIB
Melena	45	25	55.6	0.551
Hematemesis and melena	7	5	71.4	-
Hemafecia	17	8	47.1	-
Occult bleeding	6	6	100.0	-
Duration of symptoms (mo)
< 1	29	18	62.1	0.562
1-12	24	13	53.8	0.743
> 12	22	13	54.5	0.834

¹Difference between the DBE detection rates of melena and hemafecia;

²Difference between the DBE detection rates of < 1 mo and 1-12 mo;

³Difference between the DBE detection rates of 1-12 mo and > 12 mo;

⁴Difference between the DBE detection rates of < 1 mo and > 12 mo.