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Transplant Statistics: Annual Report : Reference Tables

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Table 12.2
Time to Transplant
New Lung 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 1,199 1,358 1,570 1,753 1,829 1,949 2,085 2,136 1,976 2,035
10th Percentile of TT (Days) 76 66 54 63 81 77 113 141 109 86
25th Percentile of TT (Days) 237 263 214 188 252 282 355 476 358 290
Median TT (Days) 513 637 734 739 763 976 1,064 + + +
Median TT 95% C.I. Lower Bound 482 580 657 666 698 865 952 + + +
Median TT 95% C.I. Upper Bound 566 714 870 820 900 1,167 1,290 + + +
No Number of Registrations 1,138 1,297 1,494 1,664 1,739 1,866 2,014 2,048 1,909 1,946
10th Percentile of TT (Days) 81 66 56 64 84 84 122 145 113 89
25th Percentile of TT (Days) 237 256 214 187 251 287 358 473 356 304
Median TT (Days) 502 610 701 710 746 952 1,026 + + +
Median TT 95% C.I. Lower Bound 475 550 618 641 685 844 935 + + +
Median TT 95% C.I. Upper Bound 536 667 805 778 869 1,114 1,252 + + +
Yes Number of Registrations 61 61 76 89 90 83 71 88 67 89
10th Percentile of TT (Days) 18 95 23 20 12 1 3 97 21 1
25th Percentile of TT (Days) 276 + 342 257 268 86 58 721 810 219
Median TT (Days) + + + + + + + + + +
Median TT 95% C.I. Lower Bound + + + + + + + + + +
Median TT 95% C.I. Upper Bound + + + + + + + + + +

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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