Table 5.2

Time to Transplant, 1997 to 2006

New Kidney 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 19,051 20,173 21,001 22,284 22,337 23,485 24,414 27,122 29,131 31,495
10th Percentile of TT (Days) 98 106 106 113 115 107 107 111 108 106
25th Percentile of TT (Days) 295 323 314 338 348 339 354 358 343 368
Median TT (Days) 1,055 1,153 1,127 1,203 1,180 1,144 1,152 + + +
Median TT 95% C.I. Lower Bound 1,026 1,117 1,096 1,170 1,144 1,115 1,121 + + +
Median TT 95% C.I. Upper Bound 1,098 1,183 1,163 1,239 1,215 1,179 1,187 + + +
<1 Year Number of Registrations 6 9 9 7 4 2 10 14 8 17
10th Percentile of TT (Days) 11 47 1 202 251 65 48 7 26 9
25th Percentile of TT (Days) 238 198 108 339 251 65 164 83 125 146
Median TT (Days) 279 237 321 + 286 65 238 189 346 +
Median TT 95% C.I. Lower Bound 238 198 108 + 251 65 164 165 125 +
Median TT 95% C.I. Upper Bound + + + + + + 1,308 + + +
1-5 Years Number of Registrations 90 82 68 84 110 111 105 127 125 134
10th Percentile of TT (Days) 43 54 54 38 40 39 28 37 28 27
25th Percentile of TT (Days) 126 87 139 128 94 93 89 99 102 65
Median TT (Days) 335 261 277 324 207 195 241 227 242 181
Median TT 95% C.I. Lower Bound 249 195 225 205 172 182 198 204 172 150
Median TT 95% C.I. Upper Bound 466 356 409 399 252 262 303 309 287 +
6-10 Years Number of Registrations 109 94 102 112 123 112 124 160 136 147
10th Percentile of TT (Days) 24 23 51 14 57 56 40 31 36 23
25th Percentile of TT (Days) 102 70 116 93 120 145 118 94 119 71
Median TT (Days) 231 321 373 368 340 373 390 289 280 306
Median TT 95% C.I. Lower Bound 180 192 270 225 244 296 283 166 225 176
Median TT 95% C.I. Upper Bound 364 399 428 423 418 409 478 376 358 +
11-17 Years Number of Registrations 359 389 411 382 439 473 531 571 559 622
10th Percentile of TT (Days) 39 51 37 44 52 50 52 45 39 26
25th Percentile of TT (Days) 114 135 99 121 154 144 141 120 115 66
Median TT (Days) 409 400 349 370 467 472 448 355 283 194
Median TT 95% C.I. Lower Bound 345 357 293 308 385 396 363 308 247 167
Median TT 95% C.I. Upper Bound 490 548 418 462 555 550 557 395 320 242
18-34 Years Number of Registrations 3,821 3,768 3,790 3,493 3,570 3,669 3,702 3,851 4,029 4,050
10th Percentile of TT (Days) 91 101 107 102 106 105 95 99 97 98
25th Percentile of TT (Days) 275 286 285 285 309 298 313 282 295 292
Median TT (Days) 930 968 981 935 989 972 957 977 + +
Median TT 95% C.I. Lower Bound 865 913 915 878 913 913 898 911 + +
Median TT 95% C.I. Upper Bound 1,006 1,036 1,044 1,010 1,043 1,056 1,016 1,040 + +
35-49 Years Number of Registrations 7,046 7,128 7,101 7,474 7,229 7,455 7,521 8,020 8,666 8,986
10th Percentile of TT (Days) 109 109 107 117 121 113 115 120 120 124
25th Percentile of TT (Days) 311 347 315 337 361 372 377 385 366 443
Median TT (Days) 1,119 1,200 1,119 1,183 1,175 1,184 1,198 + + +
Median TT 95% C.I. Lower Bound 1,061 1,148 1,062 1,136 1,122 1,128 1,145 + + +
Median TT 95% C.I. Upper Bound 1,175 1,274 1,173 1,234 1,234 1,247 1,276 + + +
50-64 Years Number of Registrations 6,269 7,062 7,591 8,420 8,515 9,144 9,506 10,889 11,751 13,060
10th Percentile of TT (Days) 101 117 119 126 126 110 113 122 116 118
25th Percentile of TT (Days) 317 356 356 384 391 372 386 415 378 424
Median TT (Days) 1,165 1,277 1,326 1,416 1,357 1,304 1,284 + + +
Median TT 95% C.I. Lower Bound 1,097 1,205 1,252 1,336 1,302 1,238 1,219 + + +
Median TT 95% C.I. Upper Bound 1,235 1,358 1,412 1,497 1,437 1,372 1,373 + + +
65+ Years Number of Registrations 1,351 1,641 1,929 2,312 2,347 2,519 2,915 3,490 3,857 4,479
10th Percentile of TT (Days) 114 112 121 128 117 109 113 131 119 113
25th Percentile of TT (Days) 324 382 348 387 373 335 388 377 399 403
Median TT (Days) 2,240 1,856 1,606 + + 1,371 + + + +
Median TT 95% C.I. Lower Bound 1,495 1,478 1,391 + + 1,240 + + + +
Median TT 95% C.I. Upper Bound + + + + + 1,556 + + + +


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.