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U.S. Department of Health and Human Services
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Detailed Description of Patient Outcomes Improving

Figure 1. Unrelated Donors Compared to Sibling Donors
One-year Survival by Year of Transplant, Donor and Age, Worldwide
One year patient survival percentage
Year 1-Year Survival HLA-matched Siblings, Age < 50 1-Year Survival Unrelated donors, Age < 50 1-Year Survival HLA-matched Siblings, Age ≥ 50 1-Year Survival Unrelated donors, Age ≥ 50
1997 68 51 56 41
1998 71 50 61 46
1999 71 56 57 44
2000 72 54 60 48
2001 73 55 60 40
2002 73 58 60 44
2003 74 62 61 54
2004 73 63 58 52
2005 72 65 63 58
2006 74 66 62 49
2007 76 67 62 56
2008 76 69 63 60
2009 77 69 68 57
2010 76 70 69 61
2011 78 69 64 58