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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

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 + +
White Number of Registrations 10,441 10,757 10,918 11,737 11,885 12,413 13,114 13,602 14,147 14,006
10th Percentile of TT (Days) 56 67 69 71 71 75 81 89 93 98
25th Percentile of TT (Days) 167 191 203 199 203 208 231 248 262 273
Median TT (Days) 511 621 614 619 677 675 798 838 + +
Median TT 95% C.I. Lower Bound 492 593 591 595 646 652 770 804 + +
Median TT 95% C.I. Upper Bound 530 650 643 648 705 706 832 872 + +
African American Number of Registrations 3,946 4,353 4,566 5,000 5,235 5,324 5,709 5,911 6,304 6,480
10th Percentile of TT (Days) 116 141 141 138 138 171 180 183 191 200
25th Percentile of TT (Days) 356 379 393 426 478 482 576 570 586 +
Median TT (Days) 970 1,103 1,265 1,441 1,512 1,603 + + + +
Median TT 95% C.I. Lower Bound 917 1,015 1,179 1,326 1,452 1,516 + + + +
Median TT 95% C.I. Upper Bound 1,048 1,174 1,337 1,523 1,604 1,673 + + + +
Asian Number of Registrations 605 683 731 799 846 934 963 1,019 1,140 1,140
10th Percentile of TT (Days) 55 124 158 135 115 166 137 201 187 176
25th Percentile of TT (Days) 200 313 427 378 417 461 433 498 576 +
Median TT (Days) 720 847 1,104 1,096 1,164 1,337 1,450 + + +
Median TT 95% C.I. Lower Bound 595 688 1,018 975 1,077 1,203 1,276 + + +
Median TT 95% C.I. Upper Bound 805 943 1,205 1,211 1,335 1,560 + + + +
Other/Multi-race Number of Registrations 228 291 313 360 344 377 386 425 610 614
10th Percentile of TT (Days) 93 132 91 108 145 192 113 118 146 133
25th Percentile of TT (Days) 237 351 348 331 398 409 410 512 471 491
Median TT (Days) 668 713 879 1,107 1,255 1,434 1,261 + + +
Median TT 95% C.I. Lower Bound 560 609 695 832 1,073 1,108 956 + + +
Median TT 95% C.I. Upper Bound 861 874 1,091 1,479 1,517 + + + + +
Unknown Number of Registrations 4 6 10 7 18 19 19 29 68 109
10th Percentile of TT (Days) 17 141 26 119 41 18 61 53 45 49
25th Percentile of TT (Days) 17 236 72 300 77 43 78 91 115 82
Median TT (Days) 167 349 113 564 121 108 217 164 252 148
Median TT 95% C.I. Lower Bound 17 236 72 300 86 64 155 126 168 130
Median TT 95% C.I. Upper Bound + + 534 + 282 864 434 704 327 178

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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