Sopechar sangrado de origen variceal si:

• Antecedentes de hemorragia variceal previa ((OR=13.11, 95%CI: 3.09-55.57, p<0.001)
• Ascitis (OR=4.41, 95% CI: 1.74-11.16, p=0.002)
• Plaquetopenia (OR=2.77, 95% CI: 1.18-6.50, p=0.01)
• RIN elevado (OR=4.77, 95% CI:1.47-15.42, p=0.009)
• Bilirrubina elevada (OR=2.43, 95% CI:1.01-5.84, p=0.04).

Daniela Matei, Ioana Groza et al. Predictors of Variceal or Nonvariceal Source of Upper Gastrointestinal Bleeding. An Etiology Predictive Score Established and Validated in a Tertiary Referral Center. J Gastrointestin Liver Dis, December 2013 Vol. 22 No 4: 379-38.4