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Transplant Statistics: Annual Report : Reference Tables

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Table 2.9
Living Donor Characteristics, 1992 to 2001
Kidney Donors

Donor Relation Year
1992 1993 1994 1995 1996 1997 1998 1999 2000 2001
Total 2,535 2,851 3,009 3,377 3,649 3,912 4,361 4,552 5,324 5,974
Parent 636 710 614 739 730 723 771 737 667 780
Offspring 363 373 350 501 518 625 651 726 909 974
Identical Twin - 1 8 7 13 13 11 5 10 11
Full Sibling 1,236 1,309 1,267 1,448 1,404 1,505 1,562 1,519 1,705 1,701
Half Sibling 8 8 34 46 59 58 46 75 66 81
Other Relative 70 96 123 178 205 231 298 340 388 522
Spouse Unrelated 78 114 128 249 331 364 510 535 609 643
Other Unrelated 75 65 74 154 196 241 309 403 738 835
Unknown 69 175 411 55 193 152 203 212 232 427
Total (%) 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0% 100.0%
Parent 25.1% 24.9% 20.4% 21.9% 20.0% 18.5% 17.7% 16.2% 12.5% 13.1%
Offspring 14.3% 13.1% 11.6% 14.8% 14.2% 16.0% 14.9% 15.9% 17.1% 16.3%
Identical Twin - 0.0% 0.3% 0.2% 0.4% 0.3% 0.3% 0.1% 0.2% 0.2%
Full Sibling 48.8% 45.9% 42.1% 42.9% 38.5% 38.5% 35.8% 33.4% 32.0% 28.5%
Half Sibling 0.3% 0.3% 1.1% 1.4% 1.6% 1.5% 1.1% 1.6% 1.2% 1.4%
Other Relative 2.8% 3.4% 4.1% 5.3% 5.6% 5.9% 6.8% 7.5% 7.3% 8.7%
Spouse Unrelated 3.1% 4.0% 4.3% 7.4% 9.1% 9.3% 11.7% 11.8% 11.4% 10.8%
Other Unrelated 3.0% 2.3% 2.5% 4.6% 5.4% 6.2% 7.1% 8.9% 13.9% 14.0%
Unknown 2.7% 6.1% 13.7% 1.6% 5.3% 3.9% 4.7% 4.7% 4.4% 7.1%

Source: OPTN/SRTR Data as of August 1, 2002.
(%) = 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.

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