Impact of fecal occult blood on obscure gastrointestinal bleeding: Observational study

Table 5 Univariate analysis of predictive factors for small bowel diseases in patients with obscure gastrointestinal bleeding

Factor	OR	95%CI	P value
Age (yr)
> 64	1.2	0.67-2.2	0.52
≤ 64	1
Sex
Male	1
Female	1.1	0.61-2.0	0.75
FOBT
Positive	2.5	1.4-4.5	0.002
Negative	1
OGIB
Overt	1.4	0.78-2.5	0.27
Occult	1
Hemoglobin (g/dL)
≤ 10.6	1.5	0.81-2.6	0.21
> 10.6	1
Medication
NSAIDs	0.67	0.23-2.0	0.47
Aspirin and/or other anticoagulants	0.83	0.45-1.6	0.57

FOBT: Fecal occult blood test; OGIB: Obscure gastrointestinal bleeding; NSAIDs: Non-steroidal anti-inflammatory drugs; CI: Confidence interval.