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Table 15.2

Time to Transplant, 1999 to 2008

New Liver Waiting List Registrations

Age at Registration 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 +
<1 Year Number of Registrations 383 381 406 345 339 310 354 326 331 341
10th Percentile of TT (Days) 9 11 16 9 10 10 11 10 8 7
25th Percentile of TT (Days) 42 56 67 40 43 30 48 32 26 26
Median TT (Days) 163 183 252 209 140 127 133 130 87 84
Median TT 95% C.I. Lower Bound 126 155 186 128 117 95 106 97 70 68
Median TT 95% C.I. Upper Bound 204 255 349 315 180 176 195 190 114 100
1-5 Years Number of Registrations 220 269 282 250 253 236 238 234 222 241
10th Percentile of TT (Days) 4 7 7 6 4 5 4 6 5 5
25th Percentile of TT (Days) 21 58 48 32 21 25 16 23 18 18
Median TT (Days) 127 265 490 210 234 144 88 99 62 62
Median TT 95% C.I. Lower Bound 88 201 319 116 151 100 69 73 48 49
Median TT 95% C.I. Upper Bound 287 635 2,512 344 329 242 157 138 101 94
6-11 Years Number of Registrations 141 159 140 102 113 123 127 110 106 102
10th Percentile of TT (Days) 5 4 5 7 5 5 4 4 4 4
25th Percentile of TT (Days) 31 57 43 32 12 12 19 12 14 6
Median TT (Days) 321 381 230 182 144 67 124 82 73 39
Median TT 95% C.I. Lower Bound 155 238 156 138 66 45 82 48 44 28
Median TT 95% C.I. Upper Bound 587 1,328 962 390 221 125 171 166 210 102
12-17 Years Number of Registrations 206 227 232 183 172 171 156 180 163 146
10th Percentile of TT (Days) 4 4 5 4 5 3 4 4 5 3
25th Percentile of TT (Days) 62 30 27 30 16 22 25 23 28 13
Median TT (Days) 833 378 348 193 168 125 164 191 114 109
Median TT 95% C.I. Lower Bound 445 238 239 124 104 70 129 125 74 78
Median TT 95% C.I. Upper Bound 2,328 683 740 510 305 362 356 351 212 193
18-34 Years Number of Registrations 647 701 666 560 584 666 677 638 625 647
10th Percentile of TT (Days) 4 4 4 5 4 3 3 3 3 4
25th Percentile of TT (Days) 78 83 110 42 32 12 16 15 11 21
Median TT (Days) 996 1,046 1,302 1,355 268 210 154 186 159 +
Median TT 95% C.I. Lower Bound 653 713 763 685 187 144 104 139 116 +
Median TT 95% C.I. Upper Bound 2,171 1,652 2,616 + 487 399 226 270 253 +
35-49 Years Number of Registrations 3,898 3,768 3,750 3,082 2,969 2,900 2,750 2,582 2,399 2,237
10th Percentile of TT (Days) 35 31 39 14 9 8 7 7 7 6
25th Percentile of TT (Days) 205 213 198 90 59 43 36 34 36 36
Median TT (Days) 1,819 2,661 + 867 715 510 344 338 446 +
Median TT 95% C.I. Lower Bound 1,340 1,869 + 714 562 406 281 270 356 +
Median TT 95% C.I. Upper Bound 2,919 + + 1,110 931 638 417 412 591 +
50-64 Years Number of Registrations 4,317 4,664 4,884 4,472 5,083 5,544 5,679 5,952 6,233 6,331
10th Percentile of TT (Days) 47 52 42 17 13 10 9 10 10 11
25th Percentile of TT (Days) 245 258 205 96 68 55 46 43 50 57
Median TT (Days) 3,120 + + 1,427 709 496 390 352 387 +
Median TT 95% C.I. Lower Bound 1,953 + + 1,089 590 426 342 303 343 +
Median TT 95% C.I. Upper Bound + + + 1,850 874 584 443 412 449 +
65+ Years Number of Registrations 709 712 766 652 811 908 1,006 1,015 1,004 1,131
10th Percentile of TT (Days) 51 31 36 20 11 8 8 9 11 14
25th Percentile of TT (Days) 245 212 186 88 56 34 40 33 47 57
Median TT (Days) + + + + 796 291 243 263 273 +
Median TT 95% C.I. Lower Bound + + + + 476 221 194 192 226 +
Median TT 95% C.I. Upper Bound + + + + + 505 336 350 405 +


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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