Repeat colonoscopy’s value in gastrointestinal bleeding

Table 3 Logistic regression analysis of correlation between clinical parameters and clinical significant change

Clinical parameters	Odds ratio	95%CI	P value
Gender (male as reference)	1.83	0.72-4.65	0.205
Age > 60 yr	0.47	0.17-1.28	0.138
Race
Caucasian (reference)	1.00
African-American	3.48	0.43-28.4	0.245
Asian	3.48	0.43-28.4	0.245
Hispanic	9.60	0.85-108.7	0.068
Interval between procedure
< 365 d (reference)	1.00
365–630 d	0.09	0.01-0.74	0.025
630–1095 d	0.26	0.09-0.72	0.010
Hospital setting
Inpatient procedures (reference)	1.00
Outpatient procedures	1.08	0.36-3.23	0.887
Outpatient then inpatient setting	1.26	0.36-4.34	0.718
Inpatient then outpatient setting	1.25	0.34-4.53	0.738
Presenting signs/symptom
Hematochezia	4.31	0.94-19.7	0.059
Occult heme positive stool	0.64	0.13-3.13	0.583
Anemic symptoms	0.86	0.32-2.30	0.771
Hemodynamic instability	1.40	0.4-4.89	0.599
Location of diverticulosis
Right-sided (reference)	1.00
Left-sided	1.78	0.29-11.13	0.535
Pandiverticulosis	0.29	0.36-2.29	0.238
Improved quality of bowel preparation	0.84	0.33-2.17	0.725
Change in endoscopist	0.98	0.39-2.4	0.961
Fellow involvement	2.19	0.87-5.59	0.098
Duration between onset of symptoms and procedure more than 2 d	0.91	0.25-3.25	0.882
Withdrawal time more than 7 min	0.59	0.31-1.14	0.578