Table 2.9

Living Donor Characteristics, 1995 to 2004

Kidney Donors

Donor Relation Year
1995 1996 1997 1998 1999 2000 2001 2002 2003 2004
Total 3,392 3,679 3,933 4,421 4,724 5,493 6,038 6,240 6,472 6,645
Parent 756 765 741 794 786 732 851 809 791 725
Offspring 509 537 636 682 764 976 1,058 1,160 1,130 1,171
Identical Twin 8 13 10 11 8 12 12 14 14 8
Full Sibling 1,471 1,464 1,552 1,623 1,650 1,830 1,873 1,806 1,843 1,788
Half Sibling 47 60 58 47 77 71 91 65 83 67
Other Relative 180 214 236 296 347 410 470 492 475 514
Spouse Unrelated 257 353 381 544 578 669 713 720 730 769
Other Unrelated 158 214 269 361 472 768 928 1,112 1,316 1,391
Unknown 6 59 50 63 42 25 42 62 90 212
Total (%) 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0%
Parent 22.3% 20.8% 18.8% 18.0% 16.6% 13.3% 14.1% 13.0% 12.2% 10.9%
Offspring 15.0% 14.6% 16.2% 15.4% 16.2% 17.8% 17.5% 18.6% 17.5% 17.6%
Identical Twin 0.2% 0.4% 0.3% 0.2% 0.2% 0.2% 0.2% 0.2% 0.2% 0.1%
Full Sibling 43.4% 39.8% 39.5% 36.7% 34.9% 33.3% 31.0% 28.9% 28.5% 26.9%
Half Sibling 1.4% 1.6% 1.5% 1.1% 1.6% 1.3% 1.5% 1.0% 1.3% 1.0%
Other Relative 5.3% 5.8% 6.0% 6.7% 7.3% 7.5% 7.8% 7.9% 7.3% 7.7%
Spouse Unrelated 7.6% 9.6% 9.7% 12.3% 12.2% 12.2% 11.8% 11.5% 11.3% 11.6%
Other Unrelated 4.7% 5.8% 6.8% 8.2% 10.0% 14.0% 15.4% 17.8% 20.3% 20.9%
Unknown 0.2% 1.6% 1.3% 1.4% 0.9% 0.5% 0.7% 1.0% 1.4% 3.2%


Source: OPTN/SRTR Data as of May 2, 2005.

(%) = 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 0.2 percent of the data.