Kacar 2004.

Methods	Study design: parallel RCT Time frame: not reported, but before 2004 Follow‐up period: not reported Primary endpoint: not reported
Participants	Country: Turkey Setting: single centre Kidney transplantation > 2 years ago; stable kidney function Number (randomised/analysed): withdrawal group (31/31); maintenance group (30/30) Mean age ± SD (years): not reported Sex (female): not reported Exclusion criteria: acute rejection within last 6 months
Interventions	Treatment group Steroid withdrawal > 2 years after transplantation Control group Steroid maintenance Baseline immunosuppression No further information provided
Outcomes	Mortality Graft loss Acute rejection SCr
Notes	Did not report number screened for eligibility Number of patients discontinued treatment Withdrawal group: reintroduced steroids because of discontinuation of AZA, increase of SCr or acute rejection (7)
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	Stated 'randomised' but no further information provided
Allocation concealment (selection bias)	Unclear risk	Not reported
Blinding (performance bias and detection bias) All outcomes	High risk	Open‐label
Blinding of participants and personnel (performance bias) All outcomes	High risk	Open‐label
Blinding of outcome assessment (detection bias) All outcomes	Low risk	Outcomes are objective hard endpoints
Incomplete outcome data (attrition bias) All outcomes	Unclear risk	Unclear whether ITT analysis performed; total number of patients by group for outcomes not reported
Selective reporting (reporting bias)	Low risk	Primary outcomes for this review reported
Other bias	Unclear risk	Funding source not reported Abstract‐only publication