Table 5.2

Time to Transplant, 1996 to 2005

New Kidney Waiting List Registrations

Age at Registration Year of Waiting List Registration
1996 1997 1998 1999 2000 2001 2002 2003 2004 2005
Total Number of Registrations 18,330 19,051 20,175 21,002 22,285 22,340 23,495 24,419 27,126 29,135
10th Percentile of TT (Days) 91 98 106 106 113 115 107 107 111 108
25th Percentile of TT (Days) 285 295 323 314 337 347 338 353 357 355
Median TT (Days) 1,036 1,051 1,148 1,124 1,198 1,175 1,136 + + +
Median TT 95% C.I. Lower Bound 1,000 1,022 1,111 1,092 1,168 1,138 1,110 + + +
Median TT 95% C.I. Upper Bound 1,074 1,093 1,179 1,158 1,234 1,209 1,171 + + +
<1 Year Number of Registrations 4 6 9 9 7 4 2 10 14 8
10th Percentile of TT (Days) 1 238 47 1 202 251 65 48 7 26
25th Percentile of TT (Days) 1 279 198 108 339 251 65 164 83 125
Median TT (Days) 279 293 237 321 + 286 65 238 189 +
Median TT 95% C.I. Lower Bound 1 279 198 108 + 251 65 164 165 +
Median TT 95% C.I. Upper Bound + + + + + + + + + +
1-5 Years Number of Registrations 97 90 82 68 84 110 111 105 127 125
10th Percentile of TT (Days) 24 43 54 54 38 40 39 28 37 28
25th Percentile of TT (Days) 96 126 87 139 128 94 93 89 99 102
Median TT (Days) 244 335 261 277 324 207 195 241 227 242
Median TT 95% C.I. Lower Bound 176 249 195 225 205 172 182 198 204 172
Median TT 95% C.I. Upper Bound 439 466 356 409 399 252 262 303 309 296
6-10 Years Number of Registrations 106 109 94 102 112 123 112 124 160 136
10th Percentile of TT (Days) 30 24 23 51 14 57 56 40 31 36
25th Percentile of TT (Days) 84 102 70 116 93 120 145 118 94 119
Median TT (Days) 275 231 321 373 368 340 373 390 289 247
Median TT 95% C.I. Lower Bound 146 180 192 270 225 244 296 283 166 225
Median TT 95% C.I. Upper Bound 447 364 399 428 423 418 409 478 376 364
11-17 Years Number of Registrations 399 359 389 411 382 438 473 532 571 560
10th Percentile of TT (Days) 34 39 51 37 44 52 50 52 45 40
25th Percentile of TT (Days) 103 114 135 99 121 154 144 141 120 115
Median TT (Days) 364 409 400 349 370 474 472 448 355 281
Median TT 95% C.I. Lower Bound 301 345 357 293 308 392 396 363 308 245
Median TT 95% C.I. Upper Bound 439 490 548 418 462 555 550 556 395 333
18-34 Years Number of Registrations 3,780 3,823 3,770 3,789 3,494 3,571 3,669 3,702 3,851 4,027
10th Percentile of TT (Days) 98 91 101 107 103 106 105 94 98 97
25th Percentile of TT (Days) 286 275 285 285 283 308 297 313 281 311
Median TT (Days) 1,022 930 965 981 920 985 968 949 + +
Median TT 95% C.I. Lower Bound 944 865 912 915 874 911 904 895 + +
Median TT 95% C.I. Upper Bound 1,100 1,006 1,033 1,044 1,000 1,041 1,046 1,014 + +
35-49 Years Number of Registrations 6,917 7,046 7,129 7,103 7,475 7,229 7,460 7,524 8,023 8,672
10th Percentile of TT (Days) 97 109 108 107 117 121 113 115 119 120
25th Percentile of TT (Days) 320 311 346 315 335 359 370 376 384 382
Median TT (Days) 1,111 1,115 1,194 1,118 1,179 1,170 1,178 + + +
Median TT 95% C.I. Lower Bound 1,053 1,059 1,144 1,056 1,131 1,119 1,119 + + +
Median TT 95% C.I. Upper Bound 1,163 1,165 1,269 1,170 1,229 1,229 1,234 + + +
50-64 Years Number of Registrations 5,769 6,269 7,062 7,592 8,419 8,518 9,147 9,505 10,889 11,749
10th Percentile of TT (Days) 92 101 117 119 126 126 110 113 122 116
25th Percentile of TT (Days) 285 316 356 354 384 390 371 386 414 399
Median TT (Days) 1,049 1,161 1,272 1,319 1,411 1,347 1,295 + + +
Median TT 95% C.I. Lower Bound 984 1,090 1,201 1,248 1,332 1,294 1,225 + + +
Median TT 95% C.I. Upper Bound 1,125 1,229 1,352 1,406 1,495 1,422 1,393 + + +
65+ Years Number of Registrations 1,258 1,349 1,640 1,928 2,312 2,347 2,521 2,917 3,491 3,858
10th Percentile of TT (Days) 94 114 112 121 128 117 109 112 131 119
25th Percentile of TT (Days) 301 324 382 348 386 373 332 385 376 +
Median TT (Days) 1,570 2,216 1,815 1,599 + + 1,384 + + +
Median TT 95% C.I. Lower Bound 1,206 1,468 1,470 1,376 + + 1,239 + + +
Median TT 95% C.I. Upper Bound 2,834 + + + + + + + + +


Source: OPTN/SRTR Data as of May 1, 2006.

(+) = 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.