Escorsell 1998.

Methods	Randomisation: computer‐generated list. Concealment: opaque, sealed envelopes. Treatment performed as per protocol in all patients. Follow‐up: 42 days. No patient was lost to follow‐up or withdrawn from treatment. Intention‐to‐treat analysis: yes.
Participants	50%.
Interventions	EVS: intra‐paravariceal injections of 5% ethanolamine or 1% polidocanol (maximally 20 ml). Control: five‐day continuous iv infusion of somatostatin 250 µg/h after an initial bolus of 250 µg.
Outcomes	Five‐day re‐bleeding. 42‐day re‐bleeding and death.
Notes	Randomised trial aimed at the prevention of early re‐bleeding and was based on the Baveno consensus conferences guidelines.
Risk of bias
Bias	Authors' judgement	Support for judgement
Adequate sequence generation?	Low risk	Adequate
Allocation concealment?	Low risk	Adequate