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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

Gender 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 + + +
Female Number of Registrations 638 726 852 947 953 1,039 1,152 1,151 1,054 1,059
10th Percentile of TT (Days) 84 63 51 64 87 97 164 163 141 100
25th Percentile of TT (Days) 254 251 220 196 317 356 436 550 436 400
Median TT (Days) 588 635 801 770 1,103 1,225 1,280 + + +
Median TT 95% C.I. Lower Bound 519 552 657 683 869 986 1,022 + + +
Median TT 95% C.I. Upper Bound 829 714 1,252 927 1,964 + + + + +
Male Number of Registrations 561 632 718 806 876 910 933 985 922 976
10th Percentile of TT (Days) 72 76 62 61 74 62 91 124 86 71
25th Percentile of TT (Days) 220 268 211 183 203 230 268 398 284 219
Median TT (Days) 467 655 699 698 656 833 929 + + +
Median TT 95% C.I. Lower Bound 433 565 611 598 573 723 792 + + +
Median TT 95% C.I. Upper Bound 509 798 826 831 720 974 1,113 + + +

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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