Lin 2000.

Methods	Study design: randomised controlled trial Study duration: not stated
Participants	Setting: single‐centre study Location: Chang Gung Memorial Hospital, Keelung, Taiwan Health status: "intussusception patients" Number (treatment/control): 281 (144/137) Mean age: Treatment group: 18.2 months ± 5.1 Control group: 20.3 months ± 4.7 Sex (M/F): Treatment group: 96/48 Control group: 99/38 Exclusion criteria: not stated
Interventions	Treatment group Dexamethasone sodium phosphate: 0.5 mg/kg injected IM immediately after patient met inclusion criteria, before air enema reduction by radiologist team Control group Normal saline: 0.5 mg/kg injected IM before air enema reduction by radiologist team
Outcomes	Initial successful reduction 72 hours post reduction recurrence of intussusception (early recurrence) 1 week post reduction recurrence of intussusception (early recurrence) 6 months post reduction recurrence of intussusception (late recurrence)
Notes	Procedure details: no details on procedure provided
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	"We designed a randomised, double‐blind study"
Allocation concealment (selection bias)	Unclear risk	"We designed a randomised, double‐blind study"
Incomplete outcome data (attrition bias) All outcomes	High risk	Data on participants lost to follow‐up not reported
Selective reporting (reporting bias)	Unclear risk	Method of data collection post discharge not reported
Blinding of participants and personnel (performance bias) All outcomes	Unclear risk	"We designed a randomised, double‐blind study”
Blinding of outcome assessment (detection bias) All outcomes	Unclear risk	It was not specified who assessed outcomes