4. Mortality.

Study	MSD‐HSCT			IST
	N	Died	%	N	Died	%
Bayever 1984	35	9	25.7	22	9	40.9
Führer 1998	28	4	14.3	86	8	9.3
Gratwohl 1981	19	10	52.6	13	4	30.8
Total	82	23	28.0	121	21	17.4

Note: This table is meant to support the information about overall mortality. The difference between the two treatment groups MSD‐HSCT and IST is calculated by the hazard ratio shown in Figure 4. Therefore, we did not calculate P values.

Abbreviations: IST: immunosuppressive therapy including ciclosporin and/or antithymocyte or antilymphocyte globulin; MSD‐HSCT: first‐line allogeneic hematopoietic stem cell transplantation from HLA‐matched sibling donor; N: number of analyzed patients