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Transplant Statistics: Annual Report : Reference Tables

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Table 1.6
Waiting Time Before Transplant - Excluding Inactive Time, Censored at WL Removal
New Waiting List Registrations, 1992 to 2001

  Year of Waiting List Registration
1992 1993 1994 1995 1996 1997 1998 1999 2000 2001
Kidney Number of Registrations 14,967 15,869 16,357 17,768 18,258 19,012 20,100 20,911 22,162 22,220
10th Percentile of WT (Days) 66 88 95 100 102 119 135 161 185 199
25th Percentile of WT (Days) 205 248 280 294 327 359 407 457 524 568
Median WT (Days) 545 636 717 813 881 975 1,080 1,151 + +
Median WT 95% C.I. Lower Bound 530 618 694 788 858 951 1,052 1,125 + +
Median WT 95% C.I. Upper Bound 561 656 742 832 906 1,002 1,103 1,185 + +
Pancreas Transplant Alone Number of Registrations 309 122 117 117 148 185 218 214 263 327
10th Percentile of WT (Days) 51 16 57 55 19 20 22 18 10 29
25th Percentile of WT (Days) 131 71 183 134 148 90 79 63 59 110
Median WT (Days) 503 568 543 455 339 412 214 189 266 467
Median WT 95% C.I. Lower Bound 418 318 412 311 293 264 171 139 195 363
Median WT 95% C.I. Upper Bound 658 889 791 920 570 538 309 261 394 +
Pancreas After Kidney Number of Registrations 66 86 81 114 132 145 179 313 526 620
10th Percentile of WT (Days) 32 25 30 25 34 21 12 25 27 51
25th Percentile of WT (Days) 124 78 112 116 90 44 48 66 86 130
Median WT (Days) 374 217 271 364 282 196 212 209 402 513
Median WT 95% C.I. Lower Bound 153 137 160 315 183 145 153 180 310 439
Median WT 95% C.I. Upper Bound 734 352 601 510 438 319 295 289 490 +
Kidney-Pancreas Number of Registrations 673 1,003 1,204 1,377 1,375 1,403 1,532 1,795 2,001 1,783
10th Percentile of WT (Days) 90 34 30 34 48 56 48 64 84 76
25th Percentile of WT (Days) 175 92 89 106 126 147 139 178 265 217
Median WT (Days) 347 253 224 254 324 338 359 419 529 522
Median WT 95% C.I. Lower Bound 325 231 208 235 298 318 329 389 491 485
Median WT 95% C.I. Upper Bound 394 267 246 275 351 358 389 444 558 +
Liver Number of Registrations 4,773 5,488 6,193 7,287 8,032 8,597 9,494 10,459 10,685 10,688
10th Percentile of WT (Days) 6 7 7 10 13 15 21 27 27 28
25th Percentile of WT (Days) 26 34 43 59 87 106 128 168 178 153
Median WT (Days) 99 131 156 228 333 424 484 655 778 +
Median WT 95% C.I. Lower Bound 93 122 148 217 318 401 453 624 721 +
Median WT 95% C.I. Upper Bound 104 139 165 238 348 445 510 690 863 +
Intestine Number of Registrations - 57 84 90 88 135 150 149 171 219
10th Percentile of WT (Days) - 24 32 14 35 20 12 28 33 27
25th Percentile of WT (Days) - 169 156 103 78 60 75 75 100 68
Median WT (Days) - 862 410 282 288 208 149 217 175 172
Median WT 95% C.I. Lower Bound - 588 293 170 202 143 126 154 161 142
Median WT 95% C.I. Upper Bound - + 1,371 497 393 352 191 289 276 226
Heart Number of Registrations 3,939 3,811 3,716 4,232 3,859 3,737 3,927 3,530 3,425 3,373
10th Percentile of WT (Days) 15 15 14 16 21 22 21 17 14 14
25th Percentile of WT (Days) 55 51 45 52 65 59 63 61 48 42
Median WT (Days) 225 184 159 186 191 182 207 204 191 153
Median WT 95% C.I. Lower Bound 211 172 149 168 179 168 194 188 175 138
Median WT 95% C.I. Upper Bound 242 197 173 200 210 197 222 226 206 167
Lung Number of Registrations 1,190 1,349 1,559 1,750 1,823 1,944 2,081 2,089 1,966 2,025
10th Percentile of WT (Days) 72 61 54 64 82 84 111 138 106 85
25th Percentile of WT (Days) 207 210 190 170 228 257 304 373 317 251
Median WT (Days) 400 443 479 469 517 622 689 776 748 +
Median WT 95% C.I. Lower Bound 378 408 447 440 481 590 652 752 690 +
Median WT 95% C.I. Upper Bound 418 478 517 518 554 682 723 808 798 +
Heart-Lung Number of Registrations 155 160 157 138 152 140 136 106 113 105
10th Percentile of WT (Days) 52 68 73 75 60 93 42 62 180 105
25th Percentile of WT (Days) 289 212 217 265 261 410 198 222 584 296
Median WT (Days) 599 470 536 676 618 889 935 573 + +
Median WT 95% C.I. Lower Bound 473 404 336 596 530 792 683 413 + +
Median WT 95% C.I. Upper Bound 802 677 723 1,005 886 1,133 + + + +

Source: OPTN/SRTR Data as of August 1, 2002.
(+) = Not determined due to insufficient follow-up; fewer than this percentile have transplanted.
(-) = The Intestine waiting list began in 1993.
WT = waiting time in days.
The waiting times in this table are lower than the Time to Transplant measures in Table 1.5. Waiting time counts only time spent on the active waiting list before transplant. Time on the waiting list in inactive
status is not counted, and waiting time is censored when the patient is removed from the waiting list for any reason.
Patients who receive a living donor transplant are censored at transplant, and that transplant is not counted.
Patients who are inactive for the duration of their wait list registration are not included.
See Technical Notes chapter for a full discussion of the methods used for this table.

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