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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

Age at Registration 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 + + +
<1 year Number of Registrations 8 12 7 20 18 24 17 13 9 9
10th Percentile of TT (Days) + 8 13 3 5 37 8 21 34 18
25th Percentile of TT (Days) + 55 27 19 26 97 32 22 156 +
Median TT (Days) + + 51 36 + + + + + +
Median TT 95% C.I. Lower Bound + + 27 24 + + + + + +
Median TT 95% C.I. Upper Bound + + + + + + + + + +
1-5 years Number of Registrations 7 20 8 11 10 21 17 15 6 9
10th Percentile of TT (Days) 48 24 8 14 5 8 41 73 19 14
25th Percentile of TT (Days) 86 382 + 16 88 58 83 176 + 88
Median TT (Days) 230 + + 54 + + + + + +
Median TT 95% C.I. Lower Bound 86 + + 23 + + + + + +
Median TT 95% C.I. Upper Bound + + + + + + + + + +
6-10 years Number of Registrations 10 18 10 11 18 19 26 30 22 18
10th Percentile of TT (Days) 154 30 81 97 166 40 91 83 85 +
25th Percentile of TT (Days) 228 134 342 160 350 93 416 537 236 +
Median TT (Days) 456 341 701 1,342 1,065 + + + + +
Median TT 95% C.I. Lower Bound 228 138 342 544 387 + + + + +
Median TT 95% C.I. Upper Bound + + + + + + + + + +
11-17 years Number of Registrations 50 54 68 65 68 77 92 88 72 79
10th Percentile of TT (Days) 166 123 140 38 33 145 76 199 166 200
25th Percentile of TT (Days) 357 296 295 155 245 540 409 777 575 +
Median TT (Days) 2,045 + + 537 773 + + + + +
Median TT 95% C.I. Lower Bound 580 + + 315 470 + + + + +
Median TT 95% C.I. Upper Bound + + + + + + + + + +
18-34 years Number of Registrations 267 263 313 353 338 342 314 334 303 312
10th Percentile of TT (Days) 147 63 80 65 91 92 148 151 132 143
25th Percentile of TT (Days) 383 340 308 252 369 372 572 706 601 +
Median TT (Days) + 1,465 + 921 1,570 + + + + +
Median TT 95% C.I. Lower Bound + 758 + 747 885 + + + + +
Median TT 95% C.I. Upper Bound + + + 1,696 + + + + + +
35-49 years Number of Registrations 356 390 416 460 458 494 503 523 530 448
10th Percentile of TT (Days) 60 119 49 84 119 94 122 170 153 110
25th Percentile of TT (Days) 207 327 263 236 337 335 447 589 509 +
Median TT (Days) 517 721 811 977 1,269 1,114 + + + +
Median TT 95% C.I. Lower Bound 443 616 676 763 869 827 + + + +
Median TT 95% C.I. Upper Bound 665 925 1,288 1,999 + 1,607 + + + +
50-64 years Number of Registrations 417 495 636 679 737 809 923 939 899 974
10th Percentile of TT (Days) 72 53 51 69 68 70 124 143 102 76
25th Percentile of TT (Days) 204 206 184 179 190 242 321 408 290 215
Median TT (Days) 435 465 546 563 610 716 813 + + +
Median TT 95% C.I. Lower Bound 401 405 447 476 530 643 768 + + +
Median TT 95% C.I. Upper Bound 477 559 670 666 689 845 934 + + +
65+ years Number of Registrations 13 14 24 29 44 33 41 52 25 49
10th Percentile of TT (Days) 215 22 19 16 50 36 28 37 17 79
25th Percentile of TT (Days) 252 100 84 119 144 112 128 222 67 168
Median TT (Days) 377 352 493 246 415 577 320 774 552 470
Median TT 95% C.I. Lower Bound 269 124 206 161 234 228 235 482 174 248
Median TT 95% C.I. Upper Bound + + + + 523 + + + + +
Unknown Number of Registrations 71 92 88 125 138 130 152 142 110 137
10th Percentile of TT (Days) 72 111 50 42 121 115 89 91 78 63
25th Percentile of TT (Days) 239 268 175 246 325 329 264 428 324 192
Median TT (Days) 470 600 613 915 1,377 946 1,013 + + +
Median TT 95% C.I. Lower Bound 370 488 373 603 746 751 794 + + +
Median TT 95% C.I. Upper Bound 2,122 + 805 + + + + + + +

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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