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Table 5.2

Time to Transplant, 1998 to 2007

New Kidney Waiting List Registrations

Residency Year of Waiting List Registration
1998 1999 2000 2001 2002 2003 2004 2005 2006 2007
Total Number of Registrations 20,173 21,001 22,284 22,337 23,484 24,414 27,122 29,132 31,494 32,843
10th Percentile of TT (Days) 106 106 113 115 107 107 111 108 106 121
25th Percentile of TT (Days) 323 314 338 348 339 354 358 343 359 422
Median TT (Days) 1,153 1,127 1,203 1,180 1,146 1,152 1,219 + + +
Median TT 95% C.I. Lower Bound 1,117 1,096 1,170 1,144 1,115 1,121 1,183 + + +
Median TT 95% C.I. Upper Bound 1,183 1,163 1,240 1,215 1,180 1,187 1,259 + + +
U.S. Resident Number of Registrations 19,921 20,807 22,077 22,168 23,332 24,188 26,868 28,710 31,185 32,470
10th Percentile of TT (Days) 106 106 113 115 106 107 110 107 106 121
25th Percentile of TT (Days) 323 312 337 348 338 353 356 337 357 419
Median TT (Days) 1,148 1,123 1,196 1,178 1,142 1,147 1,210 + + +
Median TT 95% C.I. Lower Bound 1,111 1,090 1,164 1,142 1,113 1,118 1,177 + + +
Median TT 95% C.I. Upper Bound 1,179 1,157 1,231 1,214 1,176 1,184 1,253 + + +
Nonresident Alien Number of Registrations 184 170 197 159 147 219 208 244 239 234
10th Percentile of TT (Days) 126 131 189 117 198 108 160 204 52 134
25th Percentile of TT (Days) 512 619 681 294 539 481 548 529 434 429
Median TT (Days) 1,932 1,769 + 1,412 + 1,607 + + + +
Median TT 95% C.I. Lower Bound 1,345 1,193 + 958 + 1,166 + + + +
Median TT 95% C.I. Upper Bound + + + 2,559 + + + + + +
Unknown Number of Registrations 68 24 10 10 5 7 46 178 70 139
10th Percentile of TT (Days) 36 93 202 + 403 + + + + +
25th Percentile of TT (Days) 140 1,198 + + 1,123 + + + + +
Median TT (Days) 1,078 + + + + + + + + +
Median TT 95% C.I. Lower Bound 789 + + + + + + + + +
Median TT 95% C.I. Upper Bound + + + + + + + + + +


Source: OPTN/SRTR Data as of May 1, 2008.

(+) = 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.



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