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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

Previous Any Organ Tx and Peak PRA 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 + +
No, 0-19% Number of Registrations 9,233 10,068 10,712 11,547 11,803 12,575 13,254 13,460 14,278 14,463
10th Percentile of TT (Days) 57 71 75 76 75 82 89 97 113 111
25th Percentile of TT (Days) 167 192 206 203 208 224 243 273 308 310
Median TT (Days) 490 543 580 596 662 680 812 898 + +
Median TT 95% C.I. Lower Bound 472 521 558 572 632 655 783 863 + +
Median TT 95% C.I. Upper Bound 508 563 603 620 688 712 847 934 + +
No, 20-79% Number of Registrations 1,628 1,681 1,610 1,622 1,580 1,494 1,559 1,627 1,680 1,498
10th Percentile of TT (Days) 158 165 215 182 183 178 232 202 197 210
25th Percentile of TT (Days) 389 434 534 490 468 521 701 593 541 +
Median TT (Days) 1,021 1,257 1,315 1,449 1,359 1,560 + + + +
Median TT 95% C.I. Lower Bound 910 1,148 1,222 1,270 1,216 1,442 + + + +
Median TT 95% C.I. Upper Bound 1,155 1,366 1,447 1,595 1,504 1,761 + + + +
No, 80%+ Number of Registrations 813 792 740 831 854 859 966 936 927 779
10th Percentile of TT (Days) 256 268 355 259 357 358 356 271 241 241
25th Percentile of TT (Days) 612 816 877 838 1,023 845 923 764 816 +
Median TT (Days) + + + + + + + + + +
Median TT 95% C.I. Lower Bound + + + + + + + + + +
Median TT 95% C.I. Upper Bound + + + + + + + + + +
No, Unknown Number of Registrations 781 840 608 863 1,056 1,229 1,276 1,537 1,874 1,829
10th Percentile of TT (Days) 28 42 40 46 64 64 76 74 68 94
25th Percentile of TT (Days) 83 134 119 185 277 325 258 238 230 367
Median TT (Days) 329 523 498 1,245 1,555 1,224 1,345 + + +
Median TT 95% C.I. Lower Bound 278 441 395 930 1,335 1,100 1,111 + + +
Median TT 95% C.I. Upper Bound 404 839 609 1,519 1,989 1,651 + + + +
Yes, 0-19% Number of Registrations 1,062 984 1,127 1,209 1,221 1,198 1,329 1,397 1,493 1,825
10th Percentile of TT (Days) 19 53 44 49 36 56 59 100 79 82
25th Percentile of TT (Days) 105 189 176 188 178 211 216 254 230 281
Median TT (Days) 401 628 590 680 677 792 879 1,023 + +
Median TT 95% C.I. Lower Bound 364 529 523 619 598 708 756 862 + +
Median TT 95% C.I. Upper Bound 454 739 661 788 769 921 1,011 + + +
Yes, 20-79% Number of Registrations 765 757 755 781 790 721 737 815 748 834
10th Percentile of TT (Days) 164 179 152 189 189 194 228 206 232 254
25th Percentile of TT (Days) 407 517 513 547 658 567 598 651 715 +
Median TT (Days) 1,333 1,563 1,479 1,701 1,679 1,797 + + + +
Median TT 95% C.I. Lower Bound 1,106 1,332 1,221 1,471 1,496 1,550 + + + +
Median TT 95% C.I. Upper Bound 1,602 1,847 1,881 1,978 1,928 + + + + +
Yes, 80%+ Number of Registrations 801 830 827 891 819 776 859 950 899 779
10th Percentile of TT (Days) 371 406 620 396 375 439 369 373 407 350
25th Percentile of TT (Days) 1,133 1,240 1,626 1,112 991 1,192 1,177 1,004 + +
Median TT (Days) + + + + + + + + + +
Median TT 95% C.I. Lower Bound + + + + + + + + + +
Median TT 95% C.I. Upper Bound + + + + + + + + + +
Yes, Unknown Number of Registrations 141 138 159 159 205 215 211 264 370 342
10th Percentile of TT (Days) 1 1 1 44 3 1 3 14 14 2
25th Percentile of TT (Days) 114 60 57 194 378 186 234 156 127 151
Median TT (Days) 455 1,387 463 1,443 1,932 1,680 + + + +
Median TT 95% C.I. Lower Bound 288 556 281 838 1,388 1,005 + + + +
Median TT 95% C.I. Upper Bound 2,011 + 2,451 + + + + + + +

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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