How to Differentiate Sites of Gastrointestinal Bleeding in Patients with Hematochezia by Using Clinical Factors?

Table 4

Significant factors associated with bleeding from upper gastrointestinal bleeding in patients presented with hematochezia.

Variables	Adjusted odds ratio	95% confidence interval	𝑃 value
Systolic blood pressure	0.725 per 5 mmHg increase	0.592–0.891	0.002
Hematocrit	0.751 per 3% increase	0.582–0.970	0.029
BUN/Cr ratio	1.11 per unit increase	1.030–1.190	0.004