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Table 15.2

Time to Transplant, 1999 to 2008

New Liver Waiting List Registrations

Blood Type Year of Waiting List Registration
1999 2000 2001 2002 2003 2004 2005 2006 2007 2008
Total Number of Registrations 10,521 10,881 11,126 9,646 10,324 10,858 10,987 11,037 11,083 11,176
10th Percentile of TT (Days) 28 28 29 14 10 8 8 8 8 8
25th Percentile of TT (Days) 186 193 168 80 56 43 38 36 40 45
Median TT (Days) 1,745 3,129 + 979 564 400 296 286 319 +
Median TT 95% C.I. Lower Bound 1,431 2,138 + 842 498 355 278 259 292 +
Median TT 95% C.I. Upper Bound 2,175 + + 1,123 648 446 329 317 346 +
O Number of Registrations 4,978 5,074 5,128 4,560 4,806 5,000 5,098 5,163 5,167 5,339
10th Percentile of TT (Days) 35 40 42 16 12 9 8 9 8 9
25th Percentile of TT (Days) 251 286 240 119 68 55 45 41 40 51
Median TT (Days) + + + + 889 559 396 379 356 +
Median TT 95% C.I. Lower Bound + + + + 729 469 355 329 320 +
Median TT 95% C.I. Upper Bound + + + + 1,150 685 466 440 414 +
A Number of Registrations 3,881 4,123 4,135 3,542 3,799 4,115 4,116 4,116 4,090 4,090
10th Percentile of TT (Days) 24 21 24 12 9 9 8 9 9 8
25th Percentile of TT (Days) 160 150 137 64 52 46 38 40 49 50
Median TT (Days) 1,013 1,201 1,573 640 518 402 272 282 360 +
Median TT 95% C.I. Lower Bound 847 943 1,185 540 436 329 235 251 308 +
Median TT 95% C.I. Upper Bound 1,435 1,622 2,180 789 652 490 308 349 444 +
B Number of Registrations 1,270 1,326 1,409 1,176 1,301 1,342 1,334 1,309 1,387 1,377
10th Percentile of TT (Days) 29 28 26 13 9 7 6 6 8 7
25th Percentile of TT (Days) 156 151 139 66 53 34 35 31 39 33
Median TT (Days) 944 1,457 1,167 570 345 219 249 188 245 209
Median TT 95% C.I. Lower Bound 698 971 784 430 277 183 200 153 196 178
Median TT 95% C.I. Upper Bound 1,586 + 1,950 757 454 289 328 231 325 267
AB Number of Registrations 392 358 454 368 418 401 439 449 439 370
10th Percentile of TT (Days) 18 14 13 5 5 5 6 5 4 6
25th Percentile of TT (Days) 93 94 76 25 23 12 16 13 16 19
Median TT (Days) 304 314 397 136 116 69 73 63 64 70
Median TT 95% C.I. Lower Bound 226 232 323 104 78 44 56 43 47 60
Median TT 95% C.I. Upper Bound 504 553 645 186 185 131 99 97 90 93


Source: OPTN/SRTR Data as of May 4, 2009.

(+) = Not determined due to insufficient follow-up; fewer than this percentile have been 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 for a full discussion of the methods used for this table.



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