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Transplant Statistics: Annual Report : Reference Tables

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Table 5.2
Time to Transplant
New Kidney Waiting List Registrations, 1992 to 2001

Peak PRA and Race Year of Waiting List Registration
1992 1993 1994 1995 1996 1997 1998 1999 2000 2001
Total Number of Registrations 15,224 16,090 16,538 17,903 18,328 19,067 20,191 20,986 22,269 22,349
10th Percentile of TT (Days) 64 82 85 84 84 92 100 107 115 116
25th Percentile of TT (Days) 200 235 249 246 259 269 297 314 339 359
Median TT (Days) 624 746 787 825 886 931 1,067 1,144 + +
Median TT 95% C.I. Lower Bound 603 720 759 797 855 895 1,028 1,100 + +
Median TT 95% C.I. Upper Bound 642 772 817 849 920 967 1,103 1,205 + +
0-19%, White Number of Registrations 7,102 7,489 8,053 8,560 8,637 9,209 9,678 9,849 10,197 10,381
10th Percentile of TT (Days) 46 58 60 62 64 69 73 82 92 93
25th Percentile of TT (Days) 135 161 171 167 171 179 194 220 239 244
Median TT (Days) 410 465 486 483 521 529 615 698 792 +
Median TT 95% C.I. Lower Bound 395 443 468 467 502 505 588 669 755 +
Median TT 95% C.I. Upper Bound 426 489 508 505 541 559 642 733 855 +
0-19%, African American Number of Registrations 2,603 2,879 3,025 3,396 3,576 3,638 4,010 4,042 4,413 4,639
10th Percentile of TT (Days) 90 116 116 117 104 129 150 165 182 176
25th Percentile of TT (Days) 265 295 297 317 339 365 444 483 505 +
Median TT (Days) 699 745 875 1,003 1,064 1,172 1,350 + + +
Median TT 95% C.I. Lower Bound 655 703 826 932 995 1,108 1,276 + + +
Median TT 95% C.I. Upper Bound 734 796 932 1,079 1,134 1,248 1,475 + + +
0-19%, Asian Number of Registrations 418 480 525 524 558 631 616 651 672 732
10th Percentile of TT (Days) 46 115 138 114 105 158 127 169 157 155
25th Percentile of TT (Days) 190 276 370 324 315 392 368 426 445 +
Median TT (Days) 625 668 945 919 1,064 1,150 1,182 + + +
Median TT 95% C.I. Lower Bound 550 596 789 782 880 997 989 + + +
Median TT 95% C.I. Upper Bound 731 839 1,083 1,082 1,188 1,286 1,363 + + +
0-19%, Other/Multi-race Number of Registrations 169 200 226 269 239 279 263 291 430 445
10th Percentile of TT (Days) 83 109 84 86 119 169 112 125 149 110
25th Percentile of TT (Days) 208 288 282 251 265 359 372 484 402 491
Median TT (Days) 555 661 667 807 936 1,130 1,168 + + +
Median TT 95% C.I. Lower Bound 452 512 583 622 716 955 916 + + +
Median TT 95% C.I. Upper Bound 748 806 894 1,158 1,208 1,542 1,585 + + +
0-19%, Unknown Number of Registrations 3 4 10 7 14 16 16 24 59 91
10th Percentile of TT (Days) 167 141 26 119 68 18 61 53 43 57
25th Percentile of TT (Days) 167 141 72 300 86 30 76 85 115 80
Median TT (Days) 567 236 113 564 121 86 182 164 259 141
Median TT 95% C.I. Lower Bound 167 141 72 300 98 64 128 98 168 125
Median TT 95% C.I. Upper Bound + + 534 + 282 729 434 704 339 175
20-79%, White Number of Registrations 1,617 1,592 1,445 1,491 1,480 1,327 1,366 1,487 1,459 1,354
10th Percentile of TT (Days) 140 133 156 143 146 137 163 180 180 182
25th Percentile of TT (Days) 340 383 428 418 379 373 482 469 489 544
Median TT (Days) 868 1,117 1,102 1,175 1,079 1,109 + + + +
Median TT 95% C.I. Lower Bound 798 1,014 977 1,044 988 1,014 + + + +
Median TT 95% C.I. Upper Bound 979 1,247 1,227 1,314 1,191 1,254 + + + +
20-79%, African American Number of Registrations 670 720 778 775 745 763 791 821 839 850
10th Percentile of TT (Days) 288 270 303 302 398 306 451 328 255 368
25th Percentile of TT (Days) 666 692 765 868 913 984 1,025 972 859 +
Median TT (Days) 1,800 1,798 1,851 2,499 2,191 + + + + +
Median TT 95% C.I. Lower Bound 1,570 1,540 1,596 2,031 1,922 + + + + +
Median TT 95% C.I. Upper Bound 2,059 2,270 2,402 + + + + + + +
20-79%, Asian Number of Registrations 77 84 94 101 94 88 85 82 80 65
10th Percentile of TT (Days) 270 337 497 312 384 213 426 329 275 250
25th Percentile of TT (Days) 473 612 900 661 734 741 1,028 774 827 +
Median TT (Days) 1,302 1,393 1,878 1,423 1,531 + + + + +
Median TT 95% C.I. Lower Bound 838 918 1,273 1,155 1,185 + + + + +
Median TT 95% C.I. Upper Bound 1,821 2,431 + 1,937 1,819 + + + + +
20-79%, Other/Multi-race Number of Registrations 28 41 48 36 49 36 51 49 44 56
10th Percentile of TT (Days) 225 318 230 219 371 229 307 115 594 184
25th Percentile of TT (Days) 527 364 628 475 702 974 589 840 + 522
Median TT (Days) 987 1,151 1,246 1,234 + + + + + +
Median TT 95% C.I. Lower Bound 676 614 1,031 875 + + + + + +
Median TT 95% C.I. Upper Bound + 2,241 + + + + + + + +
20-79%, Unknown Number of Registrations 1 1 0 0 2 1 3 3 6 7
10th Percentile of TT (Days) 17 477 + + 41 1,690 271 131 68 13
25th Percentile of TT (Days) 17 477 + + 41 1,690 271 131 127 84
Median TT (Days) 17 477 + + 41 1,690 371 145 245 152
Median TT 95% C.I. Lower Bound + + + + 41 + 271 131 127 84
Median TT 95% C.I. Upper Bound + + + + + + + + + +
80%+, White Number of Registrations 1,024 1,015 911 1,020 954 926 1,065 1,097 1,062 871
10th Percentile of TT (Days) 247 273 365 242 268 299 298 230 214 238
25th Percentile of TT (Days) 621 858 960 683 734 790 841 703 657 +
Median TT (Days) 3,401 + + + + + + + + +
Median TT 95% C.I. Lower Bound 2,081 + + + + + + + + +
Median TT 95% C.I. Upper Bound + + + + + + + + + +
80%+, African American Number of Registrations 528 530 571 614 641 629 670 704 656 613
10th Percentile of TT (Days) 496 499 789 597 827 644 551 500 619 403
25th Percentile of TT (Days) 1,429 1,654 1,959 1,661 1,849 1,334 1,573 1,166 + +
Median TT (Days) + + + + + + + + + +
Median TT 95% C.I. Lower Bound + + + + + + + + + +
Median TT 95% C.I. Upper Bound + + + + + + + + + +
80%+, Asian Number of Registrations 41 47 56 47 46 58 61 49 59 41
10th Percentile of TT (Days) 344 414 427 498 501 469 474 557 349 378
25th Percentile of TT (Days) 1,763 1,029 1,154 1,256 955 1,235 1,044 1,104 + +
Median TT (Days) + 2,718 + + + + + + + +
Median TT 95% C.I. Lower Bound + 1,683 + + + + + + + +
Median TT 95% C.I. Upper Bound + + + + + + + + + +
80%+, Other/Multi-race Number of Registrations 21 30 29 41 32 22 29 35 47 32
10th Percentile of TT (Days) 263 372 246 762 600 491 156 232 423 371
25th Percentile of TT (Days) 827 714 1,309 1,582 1,041 1,010 711 919 886 +
Median TT (Days) 2,104 2,417 + + + + + + + +
Median TT 95% C.I. Lower Bound 888 1,281 + + + + + + + +
Median TT 95% C.I. Upper Bound + + + + + + + + + +
80%+, Unknown Number of Registrations 0 0 0 0 0 0 0 1 2 1
10th Percentile of TT (Days) + + + + + + + 792 160 191
25th Percentile of TT (Days) + + + + + + + 792 160 191
Median TT (Days) + + + + + + + 792 160 191
Median TT 95% C.I. Lower Bound + + + + + + + + 160 +
Median TT 95% C.I. Upper Bound + + + + + + + + + +
Unknown, White Number of Registrations 698 661 509 666 814 951 1,005 1,169 1,429 1,400
10th Percentile of TT (Days) 26 31 25 39 42 38 60 54 50 55
25th Percentile of TT (Days) 81 107 85 131 213 209 232 183 157 231
Median TT (Days) 313 484 418 766 1,348 1,014 1,035 791 + +
Median TT 95% C.I. Lower Bound 262 388 311 580 1,031 779 894 615 + +
Median TT 95% C.I. Upper Bound 380 690 546 1,192 1,727 1,149 1,391 1,170 + +
Unknown, African American Number of Registrations 145 224 192 215 273 294 238 344 396 378
10th Percentile of TT (Days) 40 62 51 61 104 123 58 77 53 110
25th Percentile of TT (Days) 194 192 152 315 755 602 355 255 326 +
Median TT (Days) 774 1,960 642 + + + + + + +
Median TT 95% C.I. Lower Bound 477 839 407 + + + + + + +
Median TT 95% C.I. Upper Bound + + 1,235 + + + + + + +
Unknown, Asian Number of Registrations 69 72 56 127 148 157 201 237 329 302
10th Percentile of TT (Days) 18 67 75 123 109 158 113 201 279 241
25th Percentile of TT (Days) 77 202 279 413 338 577 461 474 + +
Median TT (Days) 208 471 1,065 1,515 1,313 1,660 + + + +
Median TT 95% C.I. Lower Bound 116 363 612 975 945 1,200 + + + +
Median TT 95% C.I. Upper Bound 435 + + + 2,031 + + + + +
Unknown, Other/Multi-race Number of Registrations 10 20 10 14 24 40 43 50 89 81
10th Percentile of TT (Days) 5 37 1 91 115 271 77 52 87 135
25th Percentile of TT (Days) 45 211 2 252 507 868 239 338 311 466
Median TT (Days) 668 495 119 439 1,573 + 638 + + +
Median TT 95% C.I. Lower Bound 45 232 2 287 949 + 443 + + +
Median TT 95% C.I. Upper Bound + + + + + + + + + +
Unknown, Unknown Number of Registrations 0 1 0 0 2 2 0 1 1 10
10th Percentile of TT (Days) + 475 + + 54 43 + 161 67 35
25th Percentile of TT (Days) + 475 + + 54 43 + 161 67 60
Median TT (Days) + 475 + + 54 43 + 161 67 140
Median TT 95% C.I. Lower Bound + + + + 54 43 + + + 60
Median TT 95% C.I. Upper Bound + + + + + + + + + 267

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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