Study	Reason for exclusion
Bernasconi 1998	Less than 80% MDS patients
Bowen 2004	EPO and G‐CSF versus placebo
Bowen 2006	EPO and G‐CSF versus placebo
Estey 1999	Less than 80% MDS patients
Gerhartz 1994	GM‐CSF in both arms
Gotlib 2009	Not randomised
Greenberg 2009	G‐CSF not randomised
Hast 2003	Not MDS
Miller 1998	Editorial
Schuster 1989	Cross‐over design and abstract publication. Unclear, how many patients crossed‐over, no results before crossing over
Schuster 1995	Cross‐over design and abstract publication. No results for each arm of the entire group published
Stasi 2004	Editorial
Terpos 2000	Not randomised
Thompson 1995	GM‐CSF in both arms
Willemze 1992	Editorial

EPO: erythropoietin
 G‐CSF: granulocyte colony stimulating factors
 MDS: myelodysplastic syndromes