Table 2.9

Living Donor Characteristics, 1997 to 2006

Kidney Donors

Donor Relation Year
1997 1998 1999 2000 2001 2002 2003 2004 2005 2006
Total 3,933 4,422 4,724 5,493 6,038 6,240 6,473 6,647 6,569 6,436
Parent 743 796 790 737 861 824 798 763 786 644
Offspring 634 677 759 964 1,043 1,140 1,116 1,159 1,160 1,135
Identical Twin 10 11 8 12 12 14 14 9 19 21
Full Sibling 1,552 1,627 1,653 1,833 1,875 1,811 1,848 1,835 1,648 1,603
Half Sibling 58 47 77 71 91 65 83 67 82 64
Other Relative 233 295 347 411 469 493 476 510 505 487
Spouse Unrelated 381 545 577 669 715 720 728 785 791 775
Other Unrelated 274 363 475 773 930 1,114 1,327 1,430 1,491 1,538
Unknown 48 61 38 23 42 59 83 89 87 169
Total (%) 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0%
Parent 18.9% 18.0% 16.7% 13.4% 14.3% 13.2% 12.3% 11.5% 12.0% 10.0%
Offspring 16.1% 15.3% 16.1% 17.5% 17.3% 18.3% 17.2% 17.4% 17.7% 17.6%
Identical Twin 0.3% 0.2% 0.2% 0.2% 0.2% 0.2% 0.2% 0.1% 0.3% 0.3%
Full Sibling 39.5% 36.8% 35.0% 33.4% 31.1% 29.0% 28.5% 27.6% 25.1% 24.9%
Half Sibling 1.5% 1.1% 1.6% 1.3% 1.5% 1.0% 1.3% 1.0% 1.2% 1.0%
Other Relative 5.9% 6.7% 7.3% 7.5% 7.8% 7.9% 7.4% 7.7% 7.7% 7.6%
Spouse Unrelated 9.7% 12.3% 12.2% 12.2% 11.8% 11.5% 11.2% 11.8% 12.0% 12.0%
Other Unrelated 7.0% 8.2% 10.1% 14.1% 15.4% 17.9% 20.5% 21.5% 22.7% 23.9%
Unknown 1.2% 1.4% 0.8% 0.4% 0.7% 0.9% 1.3% 1.3% 1.3% 2.6%


Source: OPTN/SRTR Data as of May 1, 2007.

(%) = Percentages are calculated based on totals including missing and unknown cases.

(-) = None in category.

Living donor ages reported as 10 years or less are included in Unknown, accounting for about 0.02 percent of the data.