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Transplant Statistics: Annual Report : Reference Tables

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Table 5.2
Time to Transplant
New Kidney Waiting List Registrations, 1992 to 2001

Previous Any Organ Tx Year of Waiting List Registration
1992 1993 1994 1995 1996 1997 1998 1999 2000 2001
Total Number of Registrations 15,224 16,090 16,538 17,903 18,328 19,067 20,191 20,986 22,269 22,349
10th Percentile of TT (Days) 64 82 85 84 84 92 100 107 115 116
25th Percentile of TT (Days) 200 235 249 246 259 269 297 314 339 359
Median TT (Days) 624 746 787 825 886 931 1,067 1,144 + +
Median TT 95% C.I. Lower Bound 603 720 759 797 855 895 1,028 1,100 + +
Median TT 95% C.I. Upper Bound 642 772 817 849 920 967 1,103 1,205 + +
No Number of Registrations 12,455 13,381 13,670 14,863 15,293 16,157 17,055 17,560 18,759 18,569
10th Percentile of TT (Days) 64 79 83 82 83 89 98 104 114 116
25th Percentile of TT (Days) 189 217 236 231 244 255 281 298 330 345
Median TT (Days) 567 654 701 743 805 838 979 1,043 + +
Median TT 95% C.I. Lower Bound 550 630 673 712 782 805 950 1,002 + +
Median TT 95% C.I. Upper Bound 590 679 731 768 834 877 1,016 1,085 + +
Yes Number of Registrations 2,769 2,709 2,868 3,040 3,035 2,910 3,136 3,426 3,510 3,780
10th Percentile of TT (Days) 68 108 94 107 95 109 107 133 116 113
25th Percentile of TT (Days) 284 399 371 411 417 401 434 433 416 468
Median TT (Days) 1,088 1,607 1,635 1,579 1,531 1,726 + + + +
Median TT 95% C.I. Lower Bound 960 1,459 1,467 1,452 1,433 1,552 + + + +
Median TT 95% C.I. Upper Bound 1,207 1,820 1,888 1,760 1,688 + + + + +

Source: OPTN/SRTR Data as of August 1, 2002.
(+) = Not determined due to insufficient follow-up; fewer than this percentile have transplanted.
 
TT = Time to Transplant in days.
This table takes a cohort of waiting list registrations and shows how long it takes for 10%, 25%, and 50% (the median) of those patients to be transplanted. These tables take the point of view of a patient who has just been registered on a waiting list and take into account all of the things that can happen to the patient after wait listing, including receiving a transplant, being removed from the waiting list, and dying.
See Technical Notes chapter for a full discussion of the methods used for this table.

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