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Transplant Statistics: Annual Report : Reference Tables

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Table 13.2
Time to Transplant
New Heart-Lung Waiting List Registrations, 1992 to 2001

Blood Type Year of Waiting List Registration
1992 1993 1994 1995 1996 1997 1998 1999 2000 2001
Total Number of Registrations 159 162 159 138 153 140 138 107 115 107
10th Percentile of TT (Days) 62 84 85 81 70 93 43 109 254 108
25th Percentile of TT (Days) 393 276 295 357 409 737 368 399 + +
Median TT (Days) + + + + + + + + + +
Median TT 95% C.I. Lower Bound + + + + + + + + + +
Median TT 95% C.I. Upper Bound + + + + + + + + + +
O Number of Registrations 77 80 77 62 58 65 63 53 60 49
10th Percentile of TT (Days) 132 75 181 381 115 99 196 129 427 277
25th Percentile of TT (Days) 550 354 536 1,005 592 889 970 402 + +
Median TT (Days) + + + + + + + + + +
Median TT 95% C.I. Lower Bound + + + + + + + + + +
Median TT 95% C.I. Upper Bound + + + + + + + + + +
A Number of Registrations 65 56 66 61 73 55 51 32 38 42
10th Percentile of TT (Days) 34 98 59 60 46 132 38 58 180 68
25th Percentile of TT (Days) 289 212 148 198 261 796 165 201 + 296
Median TT (Days) 1,030 + 779 1,148 + + + + + +
Median TT 95% C.I. Lower Bound 536 + 329 457 + + + + + +
Median TT 95% C.I. Upper Bound + + + + + + + + + +
B Number of Registrations 10 14 12 8 17 16 19 15 11 12
10th Percentile of TT (Days) 30 342 272 27 147 48 3 23 177 +
25th Percentile of TT (Days) 802 411 295 91 465 118 198 413 + +
Median TT (Days) + 434 + 265 + 646 + + + +
Median TT 95% C.I. Lower Bound + 411 + 138 + 418 + + + +
Median TT 95% C.I. Upper Bound + + + + + + + + + +
AB Number of Registrations 7 12 4 7 5 4 5 7 6 4
10th Percentile of TT (Days) 131 53 71 5 366 165 97 3 25 59
25th Percentile of TT (Days) 393 55 71 126 581 165 + 137 254 59
Median TT (Days) + 175 83 187 + + + + 378 238
Median TT 95% C.I. Lower Bound + 84 71 126 + + + + 254 59
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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