Table 15.2

Time to Transplant, 1997 to 2006

New Liver Waiting List Registrations

Age at Registration Year of Waiting List Registration
1997 1998 1999 2000 2001 2002 2003 2004 2005 2006
Total Number of Registrations 8,619 9,538 10,520 10,881 11,125 9,647 10,325 10,854 10,985 11,036
10th Percentile of TT (Days) 17 24 28 28 29 14 10 8 8 8
25th Percentile of TT (Days) 122 151 186 193 169 80 56 43 38 36
Median TT (Days) 682 838 1,750 + + 981 564 402 296 306
Median TT 95% C.I. Lower Bound 628 770 1,431 + + 843 498 355 277 272
Median TT 95% C.I. Upper Bound 747 936 2,186 + + 1,123 649 446 329 352
<1 Year Number of Registrations 332 354 383 381 406 345 339 310 354 327
10th Percentile of TT (Days) 5 8 9 11 16 9 10 10 11 10
25th Percentile of TT (Days) 27 37 42 56 67 40 43 30 48 32
Median TT (Days) 123 126 163 183 252 209 140 127 133 123
Median TT 95% C.I. Lower Bound 98 100 126 155 186 128 117 95 106 97
Median TT 95% C.I. Upper Bound 190 161 204 255 349 315 180 176 195 183
1-5 Years Number of Registrations 268 220 219 269 282 250 253 236 238 233
10th Percentile of TT (Days) 4 4 4 7 7 6 4 5 4 6
25th Percentile of TT (Days) 21 20 21 58 50 32 21 25 16 23
Median TT (Days) 157 252 127 265 495 210 234 144 88 99
Median TT 95% C.I. Lower Bound 114 130 88 201 323 116 151 100 69 72
Median TT 95% C.I. Upper Bound 197 433 287 635 + 344 329 242 157 140
6-10 Years Number of Registrations 120 150 123 146 102 87 93 105 108 92
10th Percentile of TT (Days) 8 4 4 4 5 9 5 6 3 4
25th Percentile of TT (Days) 35 56 31 50 43 32 12 13 19 12
Median TT (Days) 255 251 321 349 482 182 144 73 109 65
Median TT 95% C.I. Lower Bound 175 148 154 205 140 134 68 45 68 36
Median TT 95% C.I. Upper Bound 414 393 587 1,328 1,728 390 245 148 171 149
11-17 Years Number of Registrations 223 243 224 240 270 198 192 188 175 197
10th Percentile of TT (Days) 6 4 5 4 5 3 5 3 4 4
25th Percentile of TT (Days) 37 21 59 34 28 30 16 21 23 23
Median TT (Days) 278 263 833 398 326 193 168 122 164 191
Median TT 95% C.I. Lower Bound 167 174 436 263 201 126 104 69 134 128
Median TT 95% C.I. Upper Bound 487 419 1,912 740 547 510 292 251 356 +
18-34 Years Number of Registrations 689 589 647 701 665 560 584 665 677 637
10th Percentile of TT (Days) 5 5 4 4 4 5 4 3 3 3
25th Percentile of TT (Days) 48 89 78 83 112 42 32 12 16 14
Median TT (Days) 453 589 996 1,046 1,302 1,355 268 212 154 192
Median TT 95% C.I. Lower Bound 321 447 653 713 763 685 187 145 104 139
Median TT 95% C.I. Upper Bound 645 978 2,171 1,652 + + 487 399 226 355
35-49 Years Number of Registrations 3,292 3,641 3,898 3,768 3,752 3,082 2,971 2,898 2,750 2,585
10th Percentile of TT (Days) 25 35 35 31 39 14 9 8 8 7
25th Percentile of TT (Days) 169 175 205 213 198 90 59 44 36 34
Median TT (Days) 853 877 1,819 + + 867 717 510 347 351
Median TT 95% C.I. Lower Bound 724 761 1,340 + + 714 563 407 281 282
Median TT 95% C.I. Upper Bound 1,011 1,047 + + + 1,110 933 643 417 +
50-64 Years Number of Registrations 3,166 3,694 4,317 4,664 4,881 4,473 5,082 5,545 5,679 5,951
10th Percentile of TT (Days) 26 39 47 52 42 17 13 10 9 10
25th Percentile of TT (Days) 152 202 245 258 205 96 68 55 46 43
Median TT (Days) 850 1,212 + + + 1,427 709 496 389 394
Median TT 95% C.I. Lower Bound 725 1,002 + + + 1,089 590 426 342 314
Median TT 95% C.I. Upper Bound 1,005 1,685 + + + + 873 584 443 +
65+ Years Number of Registrations 529 647 709 712 767 652 811 907 1,004 1,014
10th Percentile of TT (Days) 25 29 51 31 36 20 11 8 8 9
25th Percentile of TT (Days) 138 178 245 212 186 88 56 35 40 33
Median TT (Days) 836 + + + + + 796 291 243 286
Median TT 95% C.I. Lower Bound 528 + + + + + 476 222 194 197
Median TT 95% C.I. Upper Bound + + + + + + + 505 335 +


Source: OPTN/SRTR Data as of May 1, 2007.

(+) = 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 for a full discussion of the methods used for this table.