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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

Blood Type 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 + + +
O Number of Registrations 520 617 729 829 866 901 973 995 923 978
10th Percentile of TT (Days) 95 120 81 82 122 104 167 151 143 112
25th Percentile of TT (Days) 283 340 272 246 347 326 451 592 496 380
Median TT (Days) 566 672 811 841 1,104 1,075 + + + +
Median TT 95% C.I. Lower Bound 508 616 677 725 900 931 + + + +
Median TT 95% C.I. Upper Bound 685 820 1,157 1,155 1,993 1,489 + + + +
A Number of Registrations 501 534 611 682 713 779 785 787 744 757
10th Percentile of TT (Days) 72 59 43 45 64 58 73 135 93 65
25th Percentile of TT (Days) 223 206 168 160 164 284 274 462 321 250
Median TT (Days) 496 638 648 697 633 884 806 + + +
Median TT 95% C.I. Lower Bound 449 525 526 611 553 765 738 + + +
Median TT 95% C.I. Upper Bound 566 847 805 809 706 1,167 914 + + +
B Number of Registrations 136 142 163 176 177 199 241 270 216 237
10th Percentile of TT (Days) 59 54 64 65 99 81 117 147 97 85
25th Percentile of TT (Days) 174 181 242 172 283 250 367 352 304 240
Median TT (Days) 376 424 1,037 626 1,266 894 + + + +
Median TT 95% C.I. Lower Bound 281 351 664 468 619 587 + + + +
Median TT 95% C.I. Upper Bound 513 697 + 857 + + + + + +
AB Number of Registrations 42 65 67 66 73 70 86 84 93 63
10th Percentile of TT (Days) 23 30 15 35 26 27 106 102 97 39
25th Percentile of TT (Days) 254 118 100 106 96 154 307 283 248 167
Median TT (Days) + 443 420 281 324 759 1,002 1,020 + 495
Median TT 95% C.I. Lower Bound + 296 193 162 189 306 537 585 + 394
Median TT 95% C.I. Upper Bound + 1,043 + + 673 + + + + +

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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