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Transplant Statistics: Annual Report : Reference Tables

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Table 11.2
Time to Transplant
New Heart Waiting List Registrations, 1992 to 2001

Residency Year of Waiting List Registration
1992 1993 1994 1995 1996 1997 1998 1999 2000 2001
Total Number of Registrations 3,965 3,834 3,728 4,247 3,873 3,756 3,941 3,541 3,449 3,402
10th Percentile of TT (Days) 16 16 15 17 22 24 23 18 15 14
25th Percentile of TT (Days) 68 64 52 61 74 70 73 73 57 50
Median TT (Days) 406 337 278 308 335 293 360 358 327 266
Median TT 95% C.I. Lower Bound 365 309 247 279 300 259 314 312 289 231
Median TT 95% C.I. Upper Bound 451 396 322 351 373 329 409 408 368 311
U.S. Resident Number of Registrations 3,699 3,630 3,665 4,213 3,819 3,710 3,890 3,490 3,420 3,299
10th Percentile of TT (Days) 16 16 15 17 23 24 24 18 15 15
25th Percentile of TT (Days) 66 61 52 61 74 70 74 73 59 54
Median TT (Days) 362 313 271 310 333 290 368 358 331 271
Median TT 95% C.I. Lower Bound 330 279 239 282 299 259 318 309 295 239
Median TT 95% C.I. Upper Bound 405 342 309 352 373 329 420 408 373 322
Nonresident Alien Number of Registrations 12 12 23 30 23 30 32 33 19 32
10th Percentile of TT (Days) 21 7 6 7 6 7 4 11 7 9
25th Percentile of TT (Days) 27 10 18 15 16 28 10 34 11 19
Median TT (Days) 107 82 153 34 291 139 35 59 43 42
Median TT 95% C.I. Lower Bound 38 29 40 29 36 44 18 46 18 25
Median TT 95% C.I. Upper Bound + 644 + + + + 97 + + 137
Unknown Number of Registrations 254 192 40 4 31 16 19 18 10 71
10th Percentile of TT (Days) 34 35 177 706 31 11 2 63 4 13
25th Percentile of TT (Days) 662 + + 706 61 371 76 + 11 25
Median TT (Days) + + + + 556 + 247 + 22 150
Median TT 95% C.I. Lower Bound + + + + 137 + 117 + 11 61
Median TT 95% C.I. Upper Bound + + + + + + + + + +

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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