Ebbehøj 1985.

Methods	Randomised clinical trial
Participants	Country: Denmark Number randomised: 30 Postrandomisation dropouts: 0 (0%) Revised sample size: 30 Average age: 55 years Women: 10 (33.3%) Acute interstitial oedematous pancreatitis: not stated Necrotising pancreatitis: not stated Mild pancreatitis: not stated Moderate pancreatitis: not stated Severe pancreatitis: not stated Persistent organ failure: not stated Infected pancreatitis: not stated Inclusion criteria: people with acute pancreatitis
Interventions	Group 1: NSAID (n = 14), indomethacin 50 mg PR twice daily for 7 days Group 2: placebo (n = 16)
Outcomes	Hospital stay Follow‐up: not stated (probably until discharge)
Notes	—
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	Comment: this information was not available.
Allocation concealment (selection bias)	Unclear risk	Comment: this information was not available.
Blinding of participants and personnel (performance bias) All outcomes	Low risk	Quote: "[c]ontrolled double‐blind trial".
Blinding of outcome assessment (detection bias) All outcomes	Low risk	Quote: "[c]ontrolled double‐blind trial".
Incomplete outcome data (attrition bias) All outcomes	Low risk	Comment: there were no postrandomisation dropouts.
Selective reporting (reporting bias)	High risk	Comment: either mortality or adverse events were not reported.
For profit‐bias	High risk	Quote: "[i]ndomethacin (Confortid) and placebo were generously supplied by Dumex Ltd, Denmark".
Other bias	Low risk	Comment: no other risk of bias