Wu 2010.

Study characteristics
Methods	Study design: RCT Parallel groups (2) Open label Single centre Country: China Duration: 24 months
Participants	38 participants (20 SCT vs 18 control) Period (recruitment): March 2004 to October 2006 Inclusion criteria: diagnosis of DCM by clinical manifestations, echocardiography, and coronary angiography, that excluded coronary atherosclerosis; LVEF < 50% Exclusion criteria: people with secondary DCM. Baseline characteristics Sex (male): 76.5% Age (years), range: 42–72 LEVF (%), mean: control not reported vs SCT 30.0 (SD 9)
Interventions	Intervention group: STC Details of SCT Cell origin: peripheral blood cells Cell collection location: peripheral blood puncture Type of cells infused: mononuclear, autologous Mean volume/number administered: 2 mL, 8–10 times Cell mobilization: recombinant human G‐CSF 300 pg/day for 5 days Delivery route: IC Number of cell infusions: single Control group: Usual care (conventional drug treatment without peripheral blood stem cell transplantation) Study included in Comparison 1 (STC vs control)
Outcomes	Outcomes included in the review All‐cause mortality (primary endpoint) Safety 6MWT LVEF (%) Other outcomes reported Cardiac event rate (atrial premature beat; ventricular premature beat; atrial tachycardia; brachial ventricular tachycardia) LVDD (mm) Study did not specify which was the primary outcome.
Notes	Not registered at ClinicalTrials.gov Study published in Chinese language. Funding: not reported.
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	Quote: "Patients were randomly assigned at the intervention and control group."  No further details are provided.
Allocation concealment (selection bias)	Unclear risk	No details provided.
Blinding of participants and personnel (performance bias) All outcomes	High risk	Open‐label trial.
Blinding of outcome assessment (detection bias) All outcomes	High risk	Open‐label trial.
Incomplete outcome data (attrition bias) All outcomes	Unclear risk	Apparently, there were no losses or withdrawals. No flow chart provided.
Selective reporting (reporting bias)	Unclear risk	No protocol reported.