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Transplant Statistics: Annual Report : Reference Tables

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Table 8.2
Time to Transplant
New Kidney-Pancreas Waiting List Registrations, 1992 to 2001

Blood Type Year of Waiting List Registration
1992 1993 1994 1995 1996 1997 1998 1999 2000 2001
Total Number of Registrations 720 1,068 1,219 1,390 1,382 1,412 1,535 1,805 2,011 1,799
10th Percentile of TT (Days) 95 38 30 37 49 57 48 61 68 64
25th Percentile of TT (Days) 190 112 93 108 135 154 140 173 223 179
Median TT (Days) 419 297 255 279 357 366 388 434 546 +
Median TT 95% C.I. Lower Bound 369 272 230 257 327 348 351 407 507 +
Median TT 95% C.I. Upper Bound 468 325 279 314 392 396 409 464 589 +
O Number of Registrations 338 523 588 645 685 690 769 859 979 853
10th Percentile of TT (Days) 107 41 34 39 41 57 53 79 91 75
25th Percentile of TT (Days) 196 114 97 123 127 147 152 201 296 210
Median TT (Days) 432 306 256 330 371 375 409 485 682 +
Median TT 95% C.I. Lower Bound 374 267 224 277 332 338 388 448 603 +
Median TT 95% C.I. Upper Bound 499 345 316 381 410 420 467 548 834 +
A Number of Registrations 252 383 438 528 489 513 550 673 726 632
10th Percentile of TT (Days) 71 35 23 33 54 46 40 43 52 52
25th Percentile of TT (Days) 164 90 76 104 120 142 118 138 165 162
Median TT (Days) 433 282 225 241 289 330 298 369 416 401
Median TT 95% C.I. Lower Bound 337 245 197 218 259 303 261 326 382 344
Median TT 95% C.I. Upper Bound 547 323 258 279 323 358 365 421 465 513
B Number of Registrations 100 119 154 165 165 155 171 210 248 260
10th Percentile of TT (Days) 125 73 49 46 88 150 53 98 72 68
25th Percentile of TT (Days) 264 181 140 144 251 298 158 221 246 183
Median TT (Days) 458 335 384 344 854 776 461 489 622 +
Median TT 95% C.I. Lower Bound 350 274 277 269 591 510 364 404 495 +
Median TT 95% C.I. Upper Bound 615 490 519 505 1,260 1,301 675 611 + +
AB Number of Registrations 30 43 39 52 43 54 45 63 58 54
10th Percentile of TT (Days) 71 14 2 28 36 26 22 42 36 36
25th Percentile of TT (Days) 128 58 64 83 104 80 114 103 108 77
Median TT (Days) 191 185 182 179 390 310 259 198 287 312
Median TT 95% C.I. Lower Bound 147 126 105 107 151 133 164 173 216 142
Median TT 95% C.I. Upper Bound 364 441 393 240 800 490 495 352 468 +

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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